Unit 7 alternate math portfolio connexus answers:
For a class project, Zachary made a square-shaped model of the park near his house. Each side of his model is x inches long.
Pick all the expressions that represent the perimeter of Zachary's model.
x + x + x + x and 4x
Aubrey found an awesome deal on a new backpack when she went back-to-school shopping. The backpack originally cost b dollars, but it was on sale for 75% off.
Pick all the expressions that represent the sale price of the backpack.
0.25b and b - 0.75b
Brennan is helping blow up green and pink balloons for his sister's birthday party. He decided to blow up an equal number of balloons at 4 separate times, so that he didn't get too tired. He blew up g green balloons and p pink balloons each time.
Pick all the expressions that represent how many balloons Brennan blew up in all.
4(g + p) and 4g + 4p
Abdul's seventh grade class is going on a field trip to a history museum. There are x students and y teachers going on the trip. Tickets for students are $10 each and tickets for teachers are $20 each. The history museum gave the class 20% off as part of a group promotion.
Pick all the expressions that represent the total cost of the field trip.
8x + 16y and 0.80(10x + 20y)
For a big dinner, Savannah needs to attach an extra piece to her dining room table. Without the extra piece, the table is 6 feet long and 3 feet wide. Attaching the extra piece to the table adds x feet to its length.
Pick all the expressions that represent the area of the table with the extra piece.
3(6 + x) and 18 + 3x
Grayson goes to the farmers' market every month to buy some of Ms. Robinson's homemade jam. The jam costs $5 per jar. Last weekend, Ms. Robinson gave a 20% discount for buying at least two flavors. So, Grayson bought b jars of blackberry jam and s jars of strawberry jam.
Pick all the expressions that represent how much Grayson spent on jam last weekend.
0.80(5b + 5s) and 4b + 4s and 4(b + s)
Evelyn set up 15 rows of chairs in the cafeteria for her school's talent competition. In the first 10 rows, she set up 30 chairs on the left side of the middle aisle and x chairs on the right side. In the last 5 rows, she set up 20 chairs on the left side of the middle aisle and y chairs on the right side to make room for the sound crew.
Pick all the expressions that represent how many chairs Evelyn set up.
(300 + 10x) + (100 + 5y) and 10(30 + x) + 5(20 + y)
The theater department charged $5 per ticket for admission to the fall play, My Fair Lady. Additionally, they asked for a donation of x dollars per ticket to help buy new costumes. On Friday night, they sold 80 tickets to the fall play, and everyone who bought a ticket donated.
Pick all the expressions that represent how much the theater department made on Friday.
400 + 80x and 80(5 + x)
Mr. Joyce, the school librarian, is ordering new keyboards and mice for all of the school's computer labs. Each keyboard costs $13.50, and each mouse costs $6.50. There are 3 computer labs in the school, and each computer lab has s computer stations.
Pick all the expressions that represent how much Mr. Joyce will spend on new keyboards and mice.
3(13.50s + 6.50s) and 3(20.00s)
Edgar is trying out for a junior bowling league. He bowled some extra games Friday and Saturday to practice. On Friday, he paid $7 to rent a pair of shoes and x dollars an hour to bowl. He went to a different bowling alley on Saturday, where he paid $5 to rent shoes and y dollars an hour to bowl. Edgar bowled 2 hours on Friday and 3 hours on Saturday.
Pick all the expressions that represent how much Edgar spent bowling last Friday and Saturday.
7 + 2x + 5 + 3y and 2x + 3y + 12
I took the alternate to find out so these are correct anyways have a great day/night! ~Winto~