Answer:
The amount was reduced by 30%
Step-by-step explanation:
To find the percent discount, take the reduction over the original price
99/330
.3
Change the decimal to a percent by multiplying by 100%
.3 * 100%
30%
The amount was reduced by 30%
The answer is the transitive property
The nearst rounding to the tens is 230
Find the average value:
40 minutes + 50 minutes = 90 minutes
90 minutes/2 = 45 minutes
Together it will take them 45 minutes to clean the house