Solve the equation
5+x=30; solve for x
x=25
Sam has 25 cards, which is 2 more cards than Ben. Write an equation where x is the number of cards Ben has.
x+2=25
True or false when x=8:
2x< 14
False
Mary is planting corn and has buy seed. She needs at least 80lbs of seed. If seed comes in 25 lb bags, how many bags should she buy? Write the inequality statement for what she can buy, then write what values would make the statement false
True x> or equal to 4; false is x<4
4x=160; solve for x
x=40
3x=27; solve for x
x=9
Mary has 15 lambs. Susan has twice as many. Write an equation where x is the number of lambs Susan has.
(1/2)x=15
True or False when x=9
(3x+5)-2 > 35
False
Josie needs 150 books for her new library. If she can buy 5 books for $7, how much will it cost her to purchase the 150 books?
$210
5x+23=48; solve for x
x=8
23-x=6; solve for x
x=2
Gary has 14 pairs of shoes, which is twice as many as Jim. Write an equation where x represents the number of pairs of shoes Jim has
2x=14
True or False when x=3
5+x4< 87
True
If George is saving up to buy a new bike and he can save $10 a week, but his parents gave him $20 for his birthday, how long will it take him to buy a $200 bike?
18 weeks or 4.5 months
Solve when x=7
3+(2x-9) =?
8
5x+7=22; solve for x
x=3
If Shawn and Nicky are out fishing catch a total of 32 fish, but Nicky catches 8 more than Shawn, how much did they each catch? BONUS +50 if you can write an equation to solve for x
Shawn=12; Nicky=20; equation: x+x+8=32 OR 2x+8=32
This inequality is TRUE when....
4x-9< 23
x< 8
Kevin is trying to start a pizza shop business, but he can only make 5 deliveries an hour. If he gets 137 orders in a day, how long will it take him to deliver all the pizzas, assuming each order is a separate delivery?
27 and 2/5 hours, or 27.4 hours, or 28 if you rounded to the nearest hour
Solve when x=9
4x-2(5+6)
14
(3/6)+x=2; solve for x
x=1.5
At a school, students can pick a hamburger, pizza, or salad for lunch. If four times as many order pizza as hamburgers, and half as many order salad as pizza, how many of the 140 students order hamburgers?
20 order hamburgers; 80 order pizza; and 40 order salad
A classroom needs dry erase markers. The teacher wants no more than 240 markers. They come in packs of 20. Does this inequality expression match the teacher's needs?
20x>240
No, the sign should be less than or equal to, not greater than
Kevin now has hired some help. If he can still only deliver 5 pizzas an hour, but his hired driver can deliver 7, how long will it take them to deliver a total of 420 pizzas?
35 hours
Solve when x=(1/2)
2+(10x+23)-4
11