Lovebamagirl12
02.02.2020 •
Mathematics
The cost per hour for making and decorating is given by th matrix below. which product does it cost $6.50 to bake and decorate 1 unit (picture provided)
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Ответ:
b. Sheet Cake
Step-by-step explanation:
We have to first find the cost of all 3 products to find out which one will cost $6.50 to bake and decorate.
In order to find the cost, we need to multiply the time required by each product with its hourly cost.
For Giant Cookie:
Total Cost = Cost of 0.5 hours Baking + 0.25 hours Decorating
= 0.5(4) + 0.25(7)
= $ 3.75
For Sheet Cake:
Total Cost = Cost of 0.75 hours Baking + 0.5 hours Decorating
= 0.75(4) + 0.5(7)
= $ 6.5
For 3-Tired Cake:
Total Cost = Cost of 1.5 hours Baking + 1.25 hours Decorating
= 1.5 (4) + 1.25(7)
= $ 10.75
Thus, Sheet Cake costs $ 6.50 to bake and decorate.
Ответ:
3.5
Step-by-step explanation:
Whenever you do 2.25 x 4 you get 9, then you add 7.50 and get 16.5. Afterwards, you subtract 3.5 from 20 leaving you with $3.5 dollars.