Rational Number Operations
In the first round of a card game, Pedro scored 20.5 points. Then, he lost 10 1/4 points on one turn and also lost 24.75 points on her final turn. What is Pedro's final score?
What is -14.5
Henry is making a corn grits recipe that calls for 14 cup of corn grits for every 12 cup of water. How many cups of water will Henry need if he uses 112 cups of corn grits?
3
Jocelyn estimates that a piece of wood measures 5.5 cm. If it actually measures 5.62 cm, what is the percent error of Jocelyn’s estimate?
What is 2.14
measure-actual/actual x 100
Add (8.2x + 16) + (7.6x - 9)
5.8x + 7
Solve the equation 3.5(2.25 + x) = 14
What is x= 1.75
What is 56 written as a decimal?
What is 0.83 with bar notation
Janet hiked 2.5 miles in one hour. How far did she hike in kilometers?
1.609 kilometer per 1 mile
4 km
A department store sells a pair of shoes with an 87% markup. If the store sells the shoes for $193.21 then what is their non-markup price, rounded to the nearest dollar?
$103
Write a expression that is equivalent to -3x - 9
What is
-3(x + 3) or
3(-x - 3)
On a road trip, a family drives 200 miles the first day and 350 miles per day each remaining day. How many additional days, d, will they travel to reach a distance of 1,600 miles?
Write an equation to represent this situation
200 + 350 d = 1600
Four out of nine dogs weigh less than 20 pounds. What is the decimal equivalent for the number of dogs weighing under 20 pounds?
What is 0.4 with bar notation
Natalie walked 1.4 miles per hour. How far did she walk in kilometers? round to nearest hundredths
1.609 kilometers per 1 mile
2.3 km
Ethan buys a video game on sale. If the video game usually costs $39.99, and it was on sale for 20% off, how much did Ethan pay? Round to the nearest cent.
What is $31.99
Subtract (4.5x - 5) - (3.5x - 10)
What is x + 5
Solve: 200 + 350 d = 1600
5
Kurt spent $96.39 over 4 1/4 months on movie streaming services. If he spent the same amount of money each month, how much money, in dollars, did Kurt spend per month on movie streaming services?
What is 22.68
Rachel used 4.5 cups of apple juice in a holiday fruit punch that serves 12 people. What constant of proportionality relates the number of servings to cups of apple juice?
0.375
Elsa took out a 2-year loan to buy a car at a 6% simple interest rate. If she has to pay $264 in interest, how much principal did she borrow?
What is 2,200
Subtract (6x - 1/4) - ( -2x + 1/2)
8x-3/4
Solve the equation 6.5x + 10 = -9.5
What is -3
Javier had $305.25 in his bank account. His bank charges a fee of $7.50 each month that a balance is below $500. If he makes no other deposits or withdrawals, how much money is in Javier’s account at the end of three months?
282.75
Cortes used 2.5 cups of cheese in a dish that serves 10 people. What constant of proportionality relates the number of servings to cups of cheese?
0.25
In Game 1, Emerson struck out 30 times in 90 times at bat. In Game 2, he struck out 40 times in 120 times at bat. In Game 3, Emerson struck out 42 times in 140 times at bat.What percentage of times at bat did Emerson actually hit the ball?
What is 68
Subtract (6.25x + 12) - (4.25x - 7)
2x + 19
Janie ordered boxed lunches for a student advisory committee meeting. Each lunch costs $4.25. The total cost of the lunches is $53.75, including a $7 delivery fee.
Solve and find x.
4.25x + 7 = 53.75
11