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3 years ago

the track coach tells Dave that he has 84% of his workout left. Dave has run 4 laps so far. How many laps will Dave run in all

1 answer:

4 0

If 4 is 100-84=16 % of his workout, 4 is 16/100 or 4/25 of his workout. If 4=4x/25, where x is his workout length, dividing by 4 and multiplying by 25 gives x=25, so Dave must run 25 laps total.

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In the school library, 28% of the books are non-fiction. If there are 1,224 fiction books in the library, what is the total numb

N76 [4]

Answer:

There are 1700 books in the library.

Step-by-step explanation:

If 28% of the books is non-fiction, that means the remaining 72% of books are fiction.

If 72% of the books are fiction, 1224/72 will give us 1%, which is 17.

If 1% is 17 books, then 17*100=100% of books.

There are 1700 books in the library.

8 0

3 years ago

Solve for h. h - 45 = -35

Ugo [173]

$ℎ = ± \sqrt{x} 10\\$

4 0

2 years ago

Read 2 more answers

Ben bought 4 pairs of jeans and a T-shirt that cost $8 .He had a coupon for $3 off the prices of jeans spent a total of $92 befo

Artist 52 [7]

each pair of jeans was 20.25 dollars sorry if i'm wrong

8 0

3 years ago

Seth invested a certain amount of money and got back an amount of $ 8400. If

kupik [55]

Answer:

$7700

Step-by-step explanation:

amount invested + interest = total

amount invested + 700 = 8400

Subtract 700 from both sides.

amount invested = 7700

Answer: $7700

5 0

2 years ago

What is the LMC for 2x^2 - 8x + 8 and 3x^2 + 27x -30?

Vsevolod [243]

Answer:

Step-by-step explanation:

1st step: solve the exponential number

2x^2=4x

3x^2=9x

2nd step: rewrite the number sentence with the exponent solved

4x-8x+8 9x+27x-30

3rd step : solve

4x-8x=-4x 9x+27x=36x

-4x+8= 36x-30=

4 6

Step 4: See what least common multiples they have in common

4 LCM =2 * 2= 4 6 LCM= 2*3=6

So the LCM is 2

4 0

2 years ago