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Sergeeva-Olga [200]
3 years ago
10

Gina drove 36 miles in 3/4 of an hour. The equation 36=3/4 r can be used to find her average rate of speed r in miles per hour.

What was Gina’s average rate of speed?
Mathematics
1 answer:
Alla [95]3 years ago
4 0

Answer:

Her average speed is 48 miles per hour.

Step-by-step explanation:

1. You have to do order of operations in reverse (PEMDAS in reverse)

2. Divide 36 by 3/4 which would be to multiply by the reciprocal (multiplying 36 by 4/3)

3. The answer would then be r=48

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Step-by-step explanation:

$20 + $90 = $110

<u><em>Equation:</em></u>

110 + 5x

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Hi guys, I need help to solve this. I can’t understand how the percentage is calculated in (a) and (b) and how the rent is calcu
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Answers :

  1. (A) 18.33%
  2. (B) 21.65%
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<h3>OK, so judging from the bar shown : </h3>

It looks like <u>Rent</u> takes up 1/3 of the space so 33.33..%

It also looks like <u>Loan Repayment</u> + <u>Savings</u> is another 33.33..% but Savings is slightly larger than Loan Repayment so you could just estimate Savings to be 55% and LR to be 45% of the 1/3 space.

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LR looks equal to <u>Entertainment</u> making it another <u>14.99.</u>

It also looks like Entertainment + Electricity + Groceries = the last 33.33..%

And since we know <u>Entertainment</u> = 14.99 / 45% of 33.33..

Making <u>Electricity and Water</u> <em>ABOUT</em>  35% of 33.33... which is <u>11.66</u>

And Groceries is somehow 20% of 33.33 = <u>6.66</u>

  • Rent = 33.33..%
  • Savings = 18.33%
  • Loan Repayment 14.99%
  • Entertainment 14.99%
  • Electricity and Water 11.66%
  • Groceries = 6.66%
<h3>All of these added together equal <u><em>ABOUT</em></u> 100%</h3>

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