Sum of a number, n and 21...." the sum " means add
n + 21
if n = 8
8 + 21 = 29....the sum is 29
Answer:
64 gallons
Step-by-step explanation:
Ask yourself; if
16gallons = 1minute
? = 4minutes
Cross multiply;
(16 × 4) ÷ (1) = 64
The choice A will be the correct choice dealing with proportion
44 minutes and 24 seconds
