2 years ago

A washer and dryer cost $450 combined. the cost of the washer is two times the cost of the dryer. what is the cost of the dryer.

Mathematics

1 answer:

maksim [4K]2 years ago

3 0

Answer:

150

Step-by-step explanation:

Lets say the washer costs 2x. Lets also say the dryer costs x. If you add them together they will get 450. 3x=450. x= 150 so the cost of the dryer is 150 dollars. Hope it helped!

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3 years ago

Jill weighs 120 pounds and is gaining ten pounds each month. Paris weighs 150 pounds and is gaining 4 pounds each month. How man

lyudmila [28]

Answer:

5 months

Step-by-step explanation:

To solve this problem, we need to create and algebraic equation for when Jill's weight will be equal to Paris's. If we take their current weight and then add the additional weight gain per month times the number of months, we can calculate the amount of time it will take for their weight to be equal by solving for m.

$120+10m=150+4m\\10m-4m=150-120\\6m=30\\m=5$