3 years ago

IIene earns $20. Se saves $2 for every $8 that she spends. How much of the $20 did she save

Mathematics

1 answer:

solniwko [45]3 years ago

7 0

If she has $20 and saves $2 for every $8 she saves $4.

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if a motercycle is moving at a constant speed down the highway of 40 km/hr, how long would it the motorcycle to travel 10 km

ahrayia [7]

Answer:

15 minutes

Step-by-step explanation:

First, the motorcycle goes at a speed of 40 km/hr.

The question asks for how long it would take to travel 10 km.

Well, there are 60 minutes in an hour, since we will be translating into minutes.

Also, 10 km is 1/4 of 40 km, so it would make sense that the time length would be 1/4 of an hour as well.

1/4 of 60 minutes is 15 minutes. So it takes 15 minutes for the motorcycle to travel 10 km.

Now, if all this wordy stuff is too much to comprehend, you can also solve using proportional relationships.

$\frac{40km}{60min}=\frac{10km}{xmin}$

Now cross multiply:

$40km*xmin=10km*60min\\40x=600$

Divide both sides by 40:

$\frac{40x}{40}=\frac{600}{40}\\x=15$

Again, this shows that it wouls take 15 minutes for the motorcycle to travel 10 km.

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3 years ago

Select the correct answer.

lora16 [44]

Answer:

A is the inverse function,

Step-by-step explanation:

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3 years ago

The student council had a canned food drive. They collected a total a total of 63 cans on Wednesday. This is 21% of the total ho

Alex73 [517]

We are told that 21% of the total cans is 63 cans, therefore
100% of all the cans collected would be.

(63*100)/21=300 cans were collected in all

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3 years ago

Can you help me in this question?

mrs_skeptik [129]

Answer:

the answer is third option B

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3 years ago

I need Help!! Please Help me!! I will give Brainliest!!!

IrinaK [193]

Answer:

1. 150% 2. 14%

Step-by-step explanation:

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