The perimeter of a rectangle is 200 inches. If the length of the rectangle is (x + 5) inches, and the width is (3x – 5) inches. Find the value of x. P = 2l + 2w Enter your answer as an integer or decimal.

25

Step-by-step explanation:

1) the rule is P=2(l+w);

2) according to the rule above: P=2(x+5+3x-5); ⇔ P=8x;

3) if according to the condition P=200, then 8x=200; ⇒ x=25.

The ratio of chocolate cookies to oatmeal is given as 5:3.

There are 40 cookies in all .We need to find number of Oatmeal cookies in the party.

The sum of ratio= 5:3=8.

Number of Oatmeal cookies when there are 40 cookies in all is =

There are 15 Oatmeal cookies when total number of cookies in the part is 40.