At the store, Brand A laundry detergent contains enough detergent for 64 loads and costs $11.97, while Brand B detergent contains enough for 81 loads and costs $19.97. Which is the better buy, Brand A or Brand B laundry detergent? Round your
answer to the nearest cent if necessary.

Brand B is the better buy.

Step-by-step explanation:

You find the unit rate for both brands.

Brand A: 64/11.97 this equals $5.35 for 1 load.

Brand B: 81/19.97 this equals $4.06 for 1 load.

Therefore Brand B is the better buy due to it costing less per load than Brand A.

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign

10.416 meters per second

step-by-step explanation:

distance=1 00 meters

time= 9.6 seconds in decimal form or 9 3/5 as a mixed number

average speed= 100/9.6

=10.416 meters per second or 10 52/125 as a mixed number.