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3 years ago

24.Jill has $800 and is spending $30 per week. Gill has $150 and is saving $20

2 answers:

8 0

Answer is 13 weeks

If you multiply 20 by 13 it equals 260 then add 150 to get 410
Multiply 30 by 13 you get 390 then subtract 800 by 390 to get 410

attashe74 [19]3 years ago

5 0

Jill and Gill will have the same amount of money in week 13, they will both have $410.

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0 = −5n − 2n How do I solve this

masha68 [24]

Combine like terms and then divide out the coefficient to solve for n

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3 years ago

What is 6 more than 7 times a number is 41

son4ous [18]

the problem would be set up as 6+(7*x)=41

first u take off the number 6 by subtracting it from itself to cancel it out then u do the same to the number 41

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3 years ago

Andre earns $12 per hour tutoring students after school. If Andre tutored for 24 hours this month, how much money did he earn th

Sophie [7]

Answer:

$288 dollars

Step-by-step explanation:

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3 years ago

Read 2 more answers

Ray has found that his new car gets 31 miles per gallon on the highwayand 26 miles per gallon in the city. He recently drove 285

Mkey [24]

Answer:

$Highway = 155\ miles$

$City = 130\ miles$

Step-by-step explanation:

Given

$Highway = 31mi/gallon$

$City = 26mi/gallon$

$Total\ Miles = 285$

$Total\ Gallons = 10$

Required

Determine the number of miles driven on the highway and on the city

Represent the gallons used on highway with h and on city with c.

So, we have:

$c + h = 10$ ---- gallons used

and

$31h + 26c = 285$ --- distance travelled

In the first equation, make c the subject

$c = 10 - h$

Substitute 10 - h for c in the second equation

$31h + 26c = 285$

$31h + 26(10 - h) = 285$

Open bracket

$31h + 260 - 26h = 285$

Collect like terms

$31h - 26h = 285 - 260$

$5h = 25$

Make h the subject

$h = \frac{25}{5}$

$h = 5$

Substitute 5 for h in $c = 10 - h$

$c = 10 - 5$

$c = 5$

If on the highway, he travels 31 miles per gallon, then his distance on the highway is:

$Highway = 31 * 5$

$Highway = 155\ miles$

If in the highway, he travels 26 miles per gallon, then his distance on the highway is:

$City = 26 * 5$

$City = 130\ miles$

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