Answer:the number of cupcakes that Sue purchased is 12
Step-by-step explanation:
Let x represent the number of cupcakes that Sue purchased at the bakery.
Let y represent the number of cookies that Sue purchased at the bakery.
She needs to serve 36 people. This means she would purchase a total of 36 people. Therefore,
x + y = 36
Cupcakes cost $2.50 each, cookies cost $1.00 each. She spends $54.00. This means that
2.5x + y = 54 - - - - - - - - - 1
Substituting x = 36 - y into equation 1, it becomes
2.5(36 - y) + y = 54
90 - 2.5y + y = 54
- 2.5y + y = 54 - 90
- 1.5y = - 36
y = - 36/ - 1.5
y = =24
x = 36 - y = 36 - 24 = 12
Answer:
The Answer is C
Step-by-step explanation:
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3(-1) + 9= -3 + 9= 6 that's the answer
Answer:
20 percent or 2/10
Step-by-step explanation:
to make into a percentage it would be easy because of it being out of 100 so make the 100 a percentage and then see how much the 20 would be it would be the same 20/100 only in percentage form so 20 percent
