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Carter paid $200 for the bike.
Step-by-step explanation:
Given,
Current value of bike = $90
This represent 45% of the original amount Carter paid for bike.
Let,
x represent the original amount of bike.
45% of x = 90
Dividing both sides by 0.45
Carter paid $200 for the bike.
Keywords: percentage, division
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Answer:
The answer will be 7(2x - 1)
Step-by-step explanation:
1) Convert 7 and 1/2 to improper fraction. Use this rule: a b/c = ac + b/c
2) Simplify 7 × 2 to 14 .
3) Simplify 14 + 1 to 15.
4) Collect like terms.
5) simplify.
6) Factor out the common term 7.
Therefor, the answer is 7( 2x - 1 ).