REVIEW: A television normally sells for $320. This week, it is on sale for 60% off the normal price. What is the sale price?(1 point)
Responses
$256
$256
$101
$101
$128
$128
$512
The correct answer is $128.
REVIEW: Brinlyn increased the amount of water she drank per day from 32 oz to 40 oz. By what percentage did Brinlyn increase the amount of water she drank each day?
percent change = amount of changeoriginal amountâ‹…100
(1 point)
Responses
8%
8%
18.75%
18.75%
20%
20%
25%
The correct answer is 25%.
REVIEW: Candace purchased 6 gallons of gas for $13.56. What is the constant of proportionality that relates the cost in dollars, y, to the number of gallons, x?
Remember, the constant of proportionality is k=yx
.
(1 point)
Responses
$1.23 per gallon
$1.23 per gallon
$2.26 per gallon
$2.26 per gallon
$0.44 per gallon
$0.44 per gallon
$3.04 per gallon