The answer is 12y+30.
Twice the width would be 10+4y, so the length is 10+4y.
To find the perimeter, we can do 2(5+2y) + 2(10+4y).
That equals 10+4y+20+8y.
Which, equals 12y+30.
the fraction 8/1 because when dividing fractions you want to flip the second fraction aka 8/1 and multiply the two together.
ex:
3 ÷ 8/1
3/1 × 1/8
answer- 3/24
hope this helps bb ♡
12mi / (3/4) hours = 1mi / ? Hours. Set up this proportion and cros multiply to find ?
So what you do is take the old value - the new value/the old value so the equation is 795 - 750 / 750 so the answer is 6%