1st Question I chose - Q5 pg 67
5. What is the unit rate for each?
a)Two pens cost 94¢
b)Four blocks stacked one on top of the other are 24cm high
2nd Question I chose - Q13 Pg 68
13.Two quarters have the same value as ten
nickels. What is the value of five quarters
Answer: 1 quarter = 5 nickels because
2 ÷ 10 = 5 so if 2 quarters is 10 nickels, 1 quarter would be 5 nickels.
3rd Question I chose - Q28 Pg 69
The dosage of a certain medicine for a
child is 2.5 mL for each 3 kg mass of the
child. What is the dose, in millilitres, for a
child with a mass of 16.5 kg?
Answer: 2.5mL ÷ 1000mL = 0.0025mm