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The third grade mathematics method instruction series volume 2 page 20 answer.
The following are the numbers of the answers ~ ~ 1 and (1) on page 20 of the series.

total

total

amount

amount

Total price. (2)4/ 1=8/2= 14/3.5=20/5……=4

A: Their proportions are equal. (3) The unit price of apples

(4) positive

(5) 16

14 two. ( 1) 160

240

320

celebrity

480(2) and 1. (3) In direct proportion, because distance always changes with time, distance and time can form a proportion. (4)360

5.5