One Step Inequalities
X-5<9
X<14
-11X-3<-36
X>3
X<20
<--l----l----l---<0----l----l----l-->
17 18 19 20 21 22 23
John wants to buy a new car that costs $21,000. He already saved $1,000 and he makes $5,000 a month. What is the minimum amount of months he can save?
X>40
Alex is working toward $25,000 goal. He has already saved $5,000 and makes $10,000 a month. If he invests $5,000 of his monthly pay toward his goal, what is the minimum amount of months he needs to save?
X>40
X+7>10
X>3
X/7-3>1
X>28
what does this graph say
<--l----l----l----0>--l----l----l-->
27 28 29 30 31 32 33
X>30
Billy went to the store with $50 in his wallet. If he has already bought a $10 hat and each potato costs $4, what is the maximum amount of potatoes he can buy?
X<8
Bob is working to buy a new TV that costs $3,000. He already saved up $2,000 and makes $50 a month. If he puts $10 of his monthly payment toward his goal, what is the minimum amount of months it will take him to buy the TV?
X>100
X-7>13
X>20
9X+8>26
X>2
X<90
<--l----l----l--<0----l----l----l-->
87 88 89 90 91 92 93
Bobby is going to a football game with $100 in his pocket. If there is a $50 entry fee and each spot has a $10 rental fee, what is the maximum amount of seats he can rent?
X<5
If Bobby 5 friends with him to the football game, can he rent seats for him and his friends?
No, he can't.
7X<28
X<4
9/X+3<6
X<27
What does this graph say
<--l----l----l----0>--l----l----l-->
94 95 96 97 98 99 100
X>97
Jane is going grocery shopping with $500. She has already bought most of the groceries which costed $400. Now she wants shoes. If each pair of shoes costs $50, what is the maximum amount of shoe pairs she can buy?
X<2
George went to the store and was only allowed to spend $50. He bought a $20 skateboard and then decided that the other toys he was going to buy had to be $5. What is the maximum amount of $5 toys he can buy?
X<6
-7X<-21
X>3
-10X+5<-25
X>2
X>100
<--l----l----l----0>--l----l----l-->
97 98 99 100 101 102 103
Tom went video game shopping with $1,000. He already bought the newest game which cost him $500. If every other game costs $100, what is the maximum amount of games he buy?
X<5
What do you have to do when you are multiplying or dividing by a negative number?
Flip the symbol.