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Investments and Change
Tables
Proportions/Unit Rate
Random
100
A toy is 10% off. If it costs $6, what is the discount amount?
60 cents
100
If Allie puts $260 into a savings account and it earns 2%, how much interest did she earn in one year?
$5.20
100
Is this table proportional?
Yes
100
Lena earned $640 in a 40 hour work week. How much does she get paid per hour?
$16 per hour
100
Kerry buys a pair of pants for $40. They are 20% off and the tax is 7%. What is the new price after the discount and tax?
$34.24
200
Sarah buys a shirt. It is $25 but 40% off. What is the sales price?
$15
200
The art club had 20 students last year. This year they have 25 members. What is the percent increase?
25%
200
Is this table proportional?
Yes
200
A machine produces 2250 basketballs in 2.5 hours. How many basketballs would the machine produce in 4.5 hours?
4050 basketballs
200
Joe buys a new motorcycle. The tax is 8%. Write an equation to show the total for the motorcycle, where t is the total.
t+0.08t
or 1.08t
(1+.08)t
300
A TV costs $450. It is marked up 120%. What is the new price after the mark-up?
$990
300
If Mallie invests $1420 into a savings account for 3 years at 4% interest, what is the interest earned?
$170.40
300
Write an equation for this table. y = _____ x
y = 5.5x
300
A helicopter blade spins 2300 times in 4 minutes. How many times would it spin in 9 minutes?
5175 times
300
A processing machine crushes 3 1/4 kilograms of dried fruits in 3/4 minutes. What is the rate, in kilograms per minute, at which the machine crushes dried fruits?
4 1/3 kilograms per minute
400
What would the expression look like to show a discount of 30% if t is the total?
t - 0.3t
or 0.7t
or (1-0.3)t
400
Gili takes out a loan and borrows $2500. If he pays this back in 6 years at 6% interest, what is the total he will pay back?
$3400
400
Write an equation for this table.
y = 2.5x
400
Gianna reads 27 pages in 9 minutes. At what rate does Gianna read? Write in equation form
y = 3x
400
Alicia shoots a basketball at a hoop 100 times. She hits the backboard 2/5 of the time. She hits the rim 32% of the time. She makes a basket the rest of the time. How many baskets does she make?
A. 68
B. 40
C. 32
D. 28
D. 28 times
500
What would the expression look like for a mark-up of 90% if t is the total?
t+0.9t
or 1.9t
or (1+0.9)t
500
Kiley puts $5200 into a savings account at 2.3% interest for 21 months. After that time, what is the total in her account?
$5409.30
500
Fill in the missing amount.
106.25
500
A factory can produce 575 TVs in 5 days. How long will it take to make 1035 TVs?
9 days
500
The population of a town went from 10,900 to 12,400. What is the percent increase? Round to nearest whole percent.
14%