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marissa [1.9K]
3 years ago
7

I need help pleasss

Mathematics
2 answers:
butalik [34]3 years ago
3 0
I think the answer is c
Andreyy893 years ago
3 0
I believe the answer is b). I might be wrong but she cant buy more than 5 cuz she doesn't have enough money, she can buy less tho cuz shell have extra left over
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A family has two cars. The first car has a fuel efficiency of 15 miles per gallon of gas and the second has a fuel efficiency of
professor190 [17]

The fuel consumption of each of the cars during the week are as follows;

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  • The second car consumes <u>30 gallons of fuel</u>.

Reasons:

Fuel efficiency of the first car = 15 miles per  gallon

Fuel efficiency of the second car = 35 miles per gallon

Combined distance traveled by the two cars in a week = 1,350 miles

The total gas consumption during the week = 50 gallons

Let <em>x</em> represent the number of gallons consumed by the first car, and let <em>y</em>

represent the number of gallons consumed by the second car, we get the

following system of simultaneous equations;

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  • x + y = 50...(2)

Therefore;

y = 50 - x

Which gives;

15·x + 35 × (50 - x) = 1,350

15·x + 1,750 - 35·x = 1,350

1,750 - 1,350 = 35·x - 15·x = 20·x

400 = 20·x

x = 400 ÷ 20 = 20

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From equation (2), we have;

x + y = 50

y = 50 - x

Therefore;

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Learn more about word problems that lead to simultaneous equations here:

brainly.com/question/1717365

6 0
2 years ago
ASAP! <br> may someone help me? It’s a test!
wel

Answer:

A

Step-by-step explanation:

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3 years ago
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