Answer:

what is asked?How much will he spend for 3.5 meters of cloth.

what are the given facts?3.5 3.5

what operation will be used?multiplication

what is the number sentence?3.5 meters and 3.5 meters

what is the answer?12.25

Answer:

21.

A-How much will he spend for 3.5 meters of cloth

B-3.5 meters of cloth, 1meter=35php

C-Multiplication

D-35-cost of 1m cloth

3.5-meters that he need

35×3.5=122.5

E-P12.25 will spend for 3.5 meters of cloth

22.

A-How much will she pay for 25 mangoes at the same rate?

B-15 mangoes for P225

C-Multiply

D-If 1 mango cost of P15

15×15=225

15×25=375

E-375 is the cost of 25 mangoes