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gogolik [260]
3 years ago
10

Toya can run one lap of the track in 1 min. 3 sec., which is 90% of her younger sister niki's time. what is niki's time for one

lap?
Mathematics
1 answer:
Alex3 years ago
5 0
Hello!

1 minute 3 seconds = 63 seconds

We must found out 63 is 90% of what number, using the percentage formula:

90 * 100 / 63 = 70

70 seconds = 1 minute 10 seconds

So, Niki's time for one lap is 1 minute 10 seconds (70 seconds).
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cupoosta [38]

Answer:

Ted will need 3\frac{3}{4} cups of pretzels to make 15 cups of trail mix.

Step-by-step explanation:

Ted is making trail mix for a party. He mixes 1 1/2 cups of nuts, 1/4 cup of raisins, and 1/4 cup of pretzels.

So, 1/4 cup of pretzels to make 1 trail mix

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Using the ratio and proportional

∴ x = (1/4) * 15 = 3.75 = 3\frac{3}{4} cups.

<u>Ted will need </u>3\frac{3}{4}<u> cups of pretzels to make 15 cups of trail mix.</u>

4 0
3 years ago
What property justifies Step 3 in solving this equation?
Anna11 [10]
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3 years ago
Read 2 more answers
PLEASE ANSWWR ASAP thanks
AleksAgata [21]
(4x - 8) = 80/2
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3 years ago
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8 0
3 years ago
I need help with this I’m almost done
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All you have to do is look at the graph.
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2 years ago
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