9. Mrs. Lamb is having her pool drained for repairs. The pump drained 650 gallons in 20 minutes. Find the unit rate per minute.
gal
min

What fraction of one year is 8 months

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?