Ezra is saving money to buy a snowboard that costs $225. He already has $45 and can earn the rest by walking ten dogs. If d represents how much he earns for walking each dog, which of the following equations can be solved to find how much Ezra is paid for walking each dog?
2 points
2
Question 2
2.
Ivy randomly surveys students in her school to learn about mobile phone password use. Of 25 respondents,
14 use a password. Based on Ivy’s data, how many of the 275 students in her school would be expected to use a password?
3 points
3
Question 3
3.
A probability model includes P(red) =2/7 and P(blue) = 3/14. Which of the following probabilities could complete the model? Select all that apply.
1 point
1
Question 4
4.
The numbers of blue and green beads Emma uses to make 5 different pieces of jewelry are recorded below.
Which of the following equations relates the number of green beads, g, to the number of blue beads, b?
3 points
3
Question 5
5.
Mia agrees to borrow a 3-year loan with 4% simple interest to buy a motorcycle. If Mia will pay a total of $444 in interest, how much money did she initially borrow?
Be sure to show your work.
1 point
1
Question 6
6.
Solve the equation below.
3(17x - 6.5) = 108
1 point
1
Question 7
7.
A fire hydrant with a blue cap provides water at a rate of 1,500 gallons per minute. A fire hydrant with a green cap provides water at a rate of 1,000 gallons per minute. A fire hydrant with a purple cap provides water at half the rate of a fire hydrant with a green cap. Write an equation to relate the flow of water from the blue hydrant, b, to the flow from the green hydrant, g.
1 point
1
Question 8
8.
Five of Teddy’s six cousins can do 15 push-ups in one set. Which decimal is equivalent to the fraction of Teddy’s cousins who can do 15 push-ups?
1 point
1
Question 9
9.
Three boys and four girls enter a contest at the local movie theater. A randomly chosen winner will be awarded a free movie ticket, a collectible poster, or free popcorn. What is the probability that a girl will win free popcorn?
2 points
2
Question 10
10.
Brooke paints the outsides of the square walls and triangular ceilings of her treehouse. What area does she paint?
1 point
1
Question 11
11.
Conor buys 75 tokens for games at the arcade. The price to play each game is 3 tokens. If Conor has already played x games, which expression is equivalent to the number of tokens that remain?
1 point
1
Question 12
12.
A family drives 325 miles per day during a road trip. Write an inequality to find how many days, d, the family must drive to travel at least 1,300 miles.
1 point
1
Question 13
13.
The wheels on Jason’s dirt bike measure 19 inches in diameter. How many revolutions will the wheels make when Jason rides for 500 feet? Use 3.14 for π. Round to the nearest whole revolution.
3 points
3
Question 14
14.
A storage locker measures 8 feet wide, 12 feet deep, and 9 feet high. The monthly rental price for the locker
is $3.60 per cubic yard. How much does it cost to rent the locker each month? Explain.
1 point
1
Question 15
15.
Ms. Alvarez wants to determine the seventh graders’ preferences for the location of the end-of-year field trip. Which of the samples is representative of the population?