Answer:
7x + 8 = 12 - 3x
Step-by-step explanation:
2x=9-y
3y=x-8
y=9-2x
3(9-2x)=x-8
27-6x=x-8
35=7x
x=5
2*5=9-y
10=9-y
y-1
Answer:
A&C = 68° B = 112°
Step-by-step explanation:
because 180° - 122° = 68°
I think the answer is 14 feet
If they set aside the 8 extra quarters, the remaining coins will be pairs consisting of one quarter and one dime--each pair worth $0.35. The value of those pairs is $5.15 -2.00 = $3.15, so there must be $3.15/$0.35 = 9 of them.
There are 9 dimes and 17 quarters.