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The ratio of Luke to Oscar's money was 7 : 4 at first. After Luke saved another $356 and Oscar saved another $176, Luke had twice of Oscar. How much did Luke have in the end?
The age of Keith is 1:6 of Nick's age. 8 years later, the ratio of Keith's age to Nick's age is 1 : 2. How old is Keith now?
In a test of 100 questions, 5 marks are given to each correct answer and 3 marks are deducted from a wrong answer. Mike scored 220 marks. How many questions did he answer correctly?
1) a point Q is 540 km from P. a train starts from P towards Q at 6 a.m. at 40km/hr. another train Q to P start at 7 a.m. at 60km/hr. at what distance from p and what time they will meet?

please send me a short cut formula of this math like vedic math. please send me a formula.
Read the following instructions in order to complete this discussion, and review the example of how to complete the math required for this assignment:

Write your birth date or the birth date of someone in your family as mm/dd/yy. (Example: March 13, 1981 is written 3/13/81, and November 7, 1967 is written 11/7/67).

Now let a = the one- or two-digit month number,

b = the negative of the one- or two-digit day number, and

c = the two-digit year number.
(Our example: a = 3, b = -13, and c = 81 or a = 11, b = -7, and c = 66)

Use the following algebraic expressions for parts 4-6 of the discussion:

No Image

No Image

No Image

Evaluate the three given expressions using the a, b, and c from your birth date. Make sure that b is negative when you plug in the values.

After you have your math worked out on scratch paper, go back and verbally describe the steps you took to evaluate the expressions. Make sure to
Read the following instructions in order to complete this discussion, and review the example of how to complete the math required for this assignment:

Write your birth date or the birth date of someone in your family as mm/dd/yy. (Example: March 13, 1981 is written 3/13/81, and November 7, 1967 is written 11/7/67).

Now let a = the one- or two-digit month number,

b = the negative of the one- or two-digit day number, and

c = the two-digit year number.
(Our example: a = 3, b = -13, and c = 81 or a = 11, b = -7, and c = 66)

Use the following algebraic expressions for parts 4-6 of the discussion:

No Image

No Image

No Image

Evaluate the three given expressions using the a, b, and c from your birth date. Make sure that b is negative when you plug in the values.

After you have your math worked out on scratch paper, go back and verbally describe the steps you took to evaluate the expressions. Make sure to use each of the vocabulary words at least once in your writing.
Did you notice anything interesting about the results of No Image and No Image? Was this coincidence or do you think there is a reason for this?

Incorporate the following five math vocabulary words into your discussion. Use bold font to emphasize the words in your writing (Do not write definitions for the words; use them appropriately in sentences describing your math work.):

Exponent

Integer

Variable

Lowest terms

Divisor

Your initial post should be 150-250 words in length. Respond to at least two of your classmates’ posts by Day 7. Do you agree with how your classmates used the vocabulary? Did the student handle the negatives in the formulas accurately?
ONE TANK CAN BE FILLED UP BY TWO TAPS IN 6 HOURS. THE SMALLER TAP ALONE TAKES 5 HRS MORE THAN THE BIGGER TAP ALONE. FIND THE TIME REQUIRED BY EACH TAP TO FILL THE TANK SEPARATELY
What is the difference between using a variable in an expression versus a equation?
If I make $7.11 per hr and I work 4 hr a day and their are 168 hr a week how can i figer out what i will make
what percentage of 1588 is 1031?
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