3 years ago

Five boxes of crackers cost 9$. At this rate, how much do 20 boxes cost?

Mathematics

2 answers:

valina [46]3 years ago

6 0

Answer:36

Step-by-step explanation: first I did

9÷5=1.80 per box.

so then I did 1.80 x 20 which = 36

GarryVolchara [31]3 years ago

6 0

Answer:

20 boxes cost $36

Step-by-step explanation:

Using proportions,

5 boxes cost 9$

20 boxes cost X$

Cross multiply

X = 9/5 * 20 = 36$

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