I NEEEED HELP!!! please show work in answer and no blank or nonsense answers please :)
1 answer:
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Answer:
answer is A
Step-by-step explanation:
(3+5x+1) (
−2x+4)
=(3+5x+1)(
+−2x+4)
=(3)(
)+(3
)(−2x)+(3
)(4)+(5x)(
)+(5x)(−2x)+(5x)(4)+(1)(
)+(1)(−2x)+(1)(4)
=3−6
+12
+5
−10
+20x+
−2x+4
=3 −
+ 3
+ 18x +4
Given:
John had to pay a combined electric and gas bill $150.
The electric portion of the bill was $90.
To find:
The ratio of money spent on electric to that on gas.
Solution:
Let x be the amount of gas bill.
The electric portion of the bill was $90 and John had to pay a combined electric and gas bill $150. So,
The gas portion of the bill was $60.
The ratio of money spent on electric to that on gas is:
Therefore, the ratio of money spent on electric to that on gas is 3:2.