3 years ago

If 45% of a number, n, is 225, what is 74% of n? A. 185 B. 298 C. 370 D. 406

Mathematics

1 answer:

Stolb23 [73]3 years ago

4 0

Answer:

Step-by-step explanation:

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If MN = x+4 and DE = 3x-2, find x. (More info in pic)

algol [13]

Answer: D) 10

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Explanation:

I'm assuming points M and N are midpoints of segments FD and FE respectively. If that's the case, then segment DE is twice as long compared to segment MN. We consider MN to be a midsegment.

So,

DE = 2*(MN)

3x-2 = 2*(x+4)

3x-2 = 2x+8

3x-2x = 8+2

x = 10

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2 years ago

On Sunday, a local hamburger shop sold a combined total of 428 hamburgers and cheeseburgers. The number of cheese burgers sold w

melisa1 [442]

The equation you can use is x + 3x = 428 with x as the number of cheeseburgers and 3x the number of hamburgers
you solve for x and get 4x= 428 and x=107

so 321 hamburgers were sold that day.

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3 years ago

A department store is having a 55% off sale on all sport coats. If you have a coupon for an additional 10% off of any item, how

guajiro [1.7K]

Answer:

93.15

Step-by-step explanation:

Multiply 230.00 dollars and 0.55 = 126.50

Subtract 230.00 dollars and 126.50 = 103.50

Multiply 103.50 and 0.10 = 10.35

Subtract 103.50 and 10.35 = 93.15

8 0