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(People's Education Edition) Primary School Students' Learning Guidance Series Mathematics Grade Four Volume II Answers
Hello! The following is the answer on page 20 of the series ~ ~

Number of (1)

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

Second, (1) 160.

240

320

celebrity

480

(2) Attachment 1.

(3) In direct proportion, because distance always changes with time, distance and time can form a proportion.

(4)360

5.5