Which rate can you set StartFraction 30 miles Over 1 hour EndFraction equal to in order to find the time it takes to travel 900
miles at 30 miles per hour? StartFraction question mark hours Over 900 miles EndFraction StartFraction question mark hours Over 30 miles EndFraction StartFraction 30 miles Over question mark hours EndFraction StartFraction 900 miles Over question mark hours EndFraction
The given fraction has miles in the numerator and hours in the denominator. To write a proportion, you need to equate that to a fraction that has miles in the numerator and hours in the denominator. The (miles, hours) pair of interest is (900 miles, ? hours), so the necessary proportion is...
Because it is a question asking for ppl playing either soccer OR basketball, we add the two fractions together. Thus, Part A becomes 3/10 + 4/10, which is 7/10 (since the denominators are the same, you only add the numerators).