Answer:
20%
Step-by-step explanation:
percentage increase is calculated as
× 100%
increase = 72 - 60 = 12 and original temperature is 60 , then
percentage increase = × 100% = 0.2 × 100% = 20%
There are 8 pints in 1 gallon
So
In 4 gallons there are 32 pints
multiply 4.6 and 5
4.6 × 5 = 23