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Tema [17]
3 years ago
12

Only one of the comparisons below is correct. Which is correct? What benchmark was used in your answer?

Mathematics
1 answer:
tiny-mole [99]3 years ago
5 0

Answer:

2/3<9/10; I used 3/4 as a benchmark.

Step-by-step explanation:

2/3<1/2; I used 1/2 as a benchmark.

2/3 = 0.(20/3) = 0.667

1/2 = 0.(10/2) = 0.5

So this is wrong, as 0.667 > 0.5.

1/2=3/5; I used 1/4 as a benchmark.

1/2 = 0.(10/2) = 0.5

3/5 = 0.(30/5) = 0.6

0.5 != 0.6, so this is wrong.

2/3<9/10; I used 3/4 as a benchmark.

2/3 = 0.(20/3) = 0.667

9/10 = 0.(90/10) = 0.9

So this is correct, as 0.667 < 0.9

3/4<2/3; I used 1/2 as a benchmark.

3/4 = 0.(30/4) = 0.75

2/3 = 0.(20/3) = 0.667

0.75 > 0.667, so this is wrong.

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Answer:

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Step-by-step explanation:

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3 years ago
Cassie received a 20%-off coupon and a $10-off coupon from a department store. She visits the department store during a tax-free
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Answer:

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Step-by-step explanation:

Solve the inequality by adding $10, then dividing by 0.8.

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  0.8x ≤ $35.20 . . . . . . . . add $10

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3 years ago
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What is..<br>x+8y=-15<br>7x+8y=-9
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Melinda bought 6 bowls for $13.20. what was the unit rate in dollars
OlgaM077 [116]
To find the unit rate we will divide the amount of dollars ($13.20) by the amount of bowls (6). Then we will check our work. lets do it:-

13.20 ÷ 6 = 2.20
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2.20 × 6 = 13.20
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