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R1840 will be divided between Aphiwe and Dhoni in the ratio 3 : 5. How much will Aphiwe and Dhoni each get in total?
One of the learners gave the answer as: Aphiwe: R1104 and Dhoni: R3066,67.
a) Explain this learner’s possible (mis)understanding of the question. Would you say it is the same misconception or two different misconceptions that the learner has?
b) How can you rectify the learner’s mistake(s) in solving the task? Use drawings to illustrate your answer.
Three friends want to go camping and they pack enough water to last for 6 days. Just as they are about to leave they are joined by 3 more people. How long will their water last now?
Half of a number less than two is twenty.
5÷(√(x+1))-3√(x+1)+2=0
1.2 How can we determine whether a pattern exists?
The ABM club wants to rent a bus for the yearly
educational trip. The rent of the bus is P10,000,
which will be divided among the members that agree
to join. At this moment, 8 students have already
signed up.
a. at this moment, what is the cost for each member?
b. by making a table, show what happen to the cost
per member as additional members agrees to join.
c. Write a function for the cost per member C(m)
related to the number of additional members m that
agree to join.
j(t)=1/t
j(t)= t
The amount A (t), in grams, of radioactive material in a sample after years, is given
by A^t=80(2^(-t/100)
(a) Find the amount of material in the original sample /1mrks
(b) calculate the half-life of the material. (The half-life is the time taken for half of
the original material to decay).
