Answer to Question #124859 in Algebra for khomotso

Question

1. use 3 different techniques of calculating 488 x 16

2. There 20 sweets in the packet . William and his friends ate 2/5 of the sweets . How many sweets are left
3. Heidi divided a certain number by 16 . She found an answer of 246 with a remainder of 4 .. what is this number?

Answer 1

1. The first method you can use is grid method it is a proven and rock solid method that will help in calculating the values when you multiply 488 with 16 with the help of grid method your will get the value as 7080 The second method you can use is long multiplication which is basically our normal multiplication that we use in our day to day life. simply write 488 and multiply first with 6 then with leaveing the ones place , multiply it by 1 then add both the value.
2. there were 20 sweets in the packet. if william and his friend ate 2/5 of it that means 3/5 is still left we will simply multiply 20 with 3/5 to get out desired value which is 12.
3. In this we have to simply divide 16 with 246 and add 4 to it to get our desired value. the answer will be 16x246+4=3940.