Answer:
x=9, y=10. (9, 10). The two numbers are 9 and 10.
Step-by-step explanation:
3x+5y=77
x+y=19
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3x+5y=77
-3(x+y)=-3(19)
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3x+5y=77
-3x-3y=-57
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2y=20
y=20/2
y=10
x+10=19
x=19-10
x=9
X = 3
y = -3
You will see this using any graphing tool at your disposal.
Answer:
A. 
B. 
cupcakes
Step-by-step explanation:
Part A:
The simplified form of the expression is
Part B:
Put 
in the above simplified equation to get the number of cupcakes Mrs. Jones bake last week
cupcakes
3 men - 4 days |divide 3
1 man - 4/3 day |multiply 2
2 men - 8/3 day
Two men would build this fence in 8/3 day.
