Respuesta :

maggieyin2003
Set up proportions, 3/5 = 9/x 
Then cross multiply, 3x = 45, x = 15
Multiply 15 by 4 and you get 60

The number of cakes the baker can decorate in 4 days given the number of hours he works each day is  60.

How many cakes can he decorate?

The first step is to determine the number of cakes he can decorate in 1 hour: 5 / 3

The second step is to determine the total hours he works in the 4 days: 4 x 9 = 36 hours

Number of cakes he can decorate in 4 days : 5/3 x 36 = 60

To learn more about multiplication, please check: https://brainly.com/question/13814687

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