Solving Equations
2x = 4
x=2
3x<9
x < 3
Switch Gears Activity Boxes sends a new building activity in the mail each month. Derek prepaid an 8-month subscription for his daughter. He signed up during their holiday sale and received $15 off the total cost. Derek paid $81 in all. Which equation can Derek use to find x, the regular cost per month?
8x - 15 = 81
x = 12
The difference between a number and 7 is greater than -23
x-7 > -23
x>-16
-1 + 6x + 30 = 53
x=4
-x+5 < -10
x > 15
Riley and her friends went to the Color Splat paint-tag course last weekend. The course charges $40 for an hour of group tag plus a rental fee for each paint marker. Riley's group played for one hour, rented 6 paint markers, and paid a total of $94.Which equation can you use to find the rental fee, x, for each paint marker?
6x+40=94
x = 9
Eight more than the quotient of a number and -5 is less than or equal to 6.
(x/-5) + 8≤ 6
x ≥ 10
-7 - x = -5
x = -2
(m/-6)+16 > 19
m <-18
Mr. Mosley ordered pizzas for the volunteers at Highland School's fundraiser event. He ordered 12 large pizzas from the Roman Rounds pizzeria. Since this was a bulk order, Roman Rounds reduced the price of each large pizza by $2. The total came to $192.Which equation can you use to find the amount of money, p, Roman Rounds normally charges for a large pizza?
12(p-2) = 192
p = 18
14 more than twice a number is at most 50.
2x - 14 ≤ 50
x ≤ 32
4(2x-9) = -12
x= 3
(x/7) -13 ≥ -11
x ≥ 14
Brandon's parents are planning a trip to the Whimsy Escape resort. They plan to get an 8-day Fun Pass, which will give Brandon access to all the slides and pools at the resort during their stay. His parents also plan to get him a $25 arcade pass. Altogether, Brandon's parents will spend $121 on passes.Which equation can Brandon use to find d, the daily cost of a Fun Pass?
8d + 25 =121
d = 12
Sally is going furniture shopping using her credit card. If her credit card has a limit of $2,000 and she is currently holding a balance of $763, how much can she afford to spend on furniture?
763 + x ≤ 2,000
x ≤ 1237
31 = n - 3(n-7)
n = -5
11- 4p ≤ -9
p ≥ 5
Jade's Gem Shop is having its annual spring sale, when every item in the store gets marked down. During the sale, charm bracelets sell for $4 less than full price. Kristen purchases 5 identical charm bracelets: one for each of her friends. She pays a total of $45.Which equation can Kristen use to find how much money, c, each charm bracelet costs at full price? Solve for c
5(c-4) = 45
c=13
Vera is saving up to buy a $426 laptop. She already has $75 saved from her birthday. If she works part time at the grocery store making $9 per hour, how many hours must she work to purchase the laptop?
75 + 9x ≥ 426
x ≥ 39