Question

The ratio of burgers to shakes served at the diner is 3:1. Yesterday, the diner served 45 burgers. How many shakes did the diner serve?

Answer 1

The answer is 15

3 is triple 1
45 is triple 15

Hope it helped ;)

Answer 2

Use ratios
x = shakes served
3/1 = 45/x
3 times 15 is 45 so you will multiply 1 by 15
x= 15

The dinner served 15 shakes.
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