Question

Mollie is training for a race. She will swim, bike and run during the race. One week, she swims 1 2/4 miles and bikes 22 3/4 miles. She also runs during rhe week. The total distance she swims, bikes, and runs during the week is 30 2/4 miles. How far does she run during the week?

Answer 1

1 2/4 + 22 3/4 + x = 30 2/4
2/4 + 3/4 = 1 1/4
22 + 1 + 1 1/4= 24 1/4
24 1/4 + x = 30 2/4
x = 6 1/4
to check the work add them
1 2/4 + 22 3/4 + 6 1/4 = 30 2/4