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Degger [83]
3 years ago
13

Lenny is saving up to buy a car. The table below shows the linear relationship between how much Lenny has saved and the number o

f weeks he has been saving. Based on the table, what was the rate of change of the balance of Lenny’s savings account in dollars and cents per week? $45.00 per week $45.00 per week $54.00 per week $54.00 per week $12.25 per week $12.25 per week $22.50 per week $22.50 per week
Mathematics
1 answer:
Novay_Z [31]3 years ago
6 0

Answer:

22.50

Step-by-step explanation:

I got it right

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Step-by-step explanation:

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5 0
2 years ago
Ted needs an average of at least 70 on his three history test he has scored already 85 and 60 on two test what is the minimum gr
PilotLPTM [1.2K]
So average=(total of scores)/(number of tests)
needs at least average of 70
at least is represented as greater than or equal to or the sign (<u>></u>)
70<u>></u>(total)/(number oftests)

since we have 3 tests, we have to have 3 scores so
70<u>></u>(x+y+z)/3
he scored 85 and 60
70<u>></u>(x+85+60)/3 (doesn't matter which to subsitute)
70<u>></u>(x+145)/3
multiply obht sides by 3
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subtract 145 from both sides
65<u>></u>x
he needs to get at leas 65 on his third test





4 0
3 years ago
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