Course 3 Math SOL Prep #3

What is the simple interest formula?

• I=rt
• I=prt
• I=bh
• I=Bh

Determine the simple interest earned:  p= $2000  r= 4.6%  t= 4 years

• $2370.00
• $348.00
• $2368.00
• $368.00

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.3

Before the simple interest formula can be used, what form does the rate need to be in?

• decimal
• years
• percent
• months

Anna invested $2,500 at an annual rate of 5%.  How long will it take until Anna earns $1,125 in interest?

• 5 years
• 8 years
• 10 years
• 9 years

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Xavier saved money to purchase a bike that originally cost $250, not including tax.  The store discounted the bike by 20%.  What is the discounted price he will pay for the bike, not including tax?

• $200
• $230
• $270
• $280

At a water park, $8 buys 15 tickets.  Sue is going to spend $96 on tickets.  How many tickets will her $96 buy?

• 12
• 18
• 120
• 180

Ann works in a supermarket for $10.00 per hour. She received a raise to $12.00. What is the percent of change in her hourly wage?

• Increase 16.67%
• Decrease 16.67%
• Increase 20%
• Decrease 20%

While shopping at a store, Billy found a $900 television that was on sale at a discount rate of 30%.  What is the amount of discount?

• $270
• $630
• $870
• $1170

Last year, 2,376 people attended a summer music festival. This year, attendance was 2,950. What was the percent of change in attendance to the nearest whole percent?

• Increase 24%
• Increase 19%
• Decrease 24%
• Decrease 19%

Miss Bott had 27 students in her math class last year and this year she has 30 students in her math class. What is the percent of change?

• 24%
• 20%
• 11%
• 50%