PLZZ SOMEONE HELP ASAP WITH NUMBER 15 AND 16. GIVING BRAINLIEST!!

15) The relationship between fractions, decimals and percents is clear when you look at the fraction 1/2. When you divide the numerator by the common denominator you get a decimal. So, 50% becomes 50/100 which is reduced to 1/2. 50% becomes a decimal by then dividing the whole number by a common denominator.

16) Multiply the denominator of the fractional part by the whole number, and add the result to the numerator. For example, let's convert 5 to an improper fraction, multiply 3 by 5 and add 2. (3*5) + 2 = 17. Use 17 as your numerator, and place it over the denominator you already have, which would be 3. So it would be .

the answer is 31.27mph

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign