23. The answer is D. If you multiply 0.8 by 5 you get 4 meters which means it would take 5 minutes. Multiplying it by 5 will give you a whole number therefore easier to find on the graph.
24. The answer is G. The square root of 5 is 2.23 and the square root of 2 is 1.4
Answer:
15 teachers
Step-by-step explanation:
Given:
number of children is c
number of teachers is t
=
(rearrange)
t =
x C
When C = 70,
t =
x 70
t = 15 teachers
A...............................................................