Step-by-step explanation:
(x +40)° = 60°
60°- 40°=20°
x = 20°
Answer:
of an hour = 1 1/5 hour = 72 minutes
Step-by-step explanation:
1 gallon is equal to 8 pints
3/8 is 3 pints out of a gallon
Aliaa got a mark of 60 in her first 4 tests, so her total mark is 60 x 4 = 240. On her fifth test, she got a mark of 80.
So her average is:
(240+80)/5 = 320/5 = 64
Her avg is 64 (c).
