Compute the sum 2(2 1/2) + 3(2 1/3) + 4(2 1/4) + 5(2 1/5) +........ + 10(2 1/10)
2 answers:
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X - the rate charged by the first mechanic
y - the rate charged by the second mechanic
The sum of the two rates was $155.
The first mechanic worked for 10 hours, the second mechanic worked for 5 hours, and together they charged $1000.
Set 155-x and 200-2x equal to each other:
The rate charged by the first mechanic was $45, and the rate charged by the second mechanic was $110.
y - the rate charged by the second mechanic
The sum of the two rates was $155.
The first mechanic worked for 10 hours, the second mechanic worked for 5 hours, and together they charged $1000.
Set 155-x and 200-2x equal to each other:
The rate charged by the first mechanic was $45, and the rate charged by the second mechanic was $110.
Answer:
Graph B
Step-by-step explanation:
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