1 step equation problems
5a=20
a=4
5+6a=17
a=2
9x<36
x<4
x/5+6>11
x>1
Kristin got $200 for her birthday. She wants to get new books. Each book costs $10. How many books can Kristin buy when no more than $100? Write and solve the equation.
10b ≤100
b ≤10
Kristin can buy 10 books with her birthday money.
34+a=72
a=38
12+3x=48
x=12
x/6>36
x>216
-5x-15<30
x>-9
Daniel wants to give 5 toy cars to each of his 10 friends. Write and solve how many cars Daniel needs to get so he can give 5 cars to each friend.
C/5=10
C=50
Daniel needs to get 50 cars so he can give each of his 10 friends 5 cars.
a-8=13
a=21
56-17x=22
x=2
4-x<18
x<-14
x-18<100
x<118
Brianne can spend no more than $20. She buys a $4 gift for her brother Kyle. Brianne wants to buy more gifts for her friends. If each gift is $3, how many gifts can she buy? Write and solve the equation.
4+3g≤20
g≤5
Brianne can buy no more than 5 gifts for her friends.
x+42=97
x=55
100-64-9x=0
x=4
20x>100
x>5
9x+x+7-12<45
x<5
To go on a rollercoaster, you have to be no less than 60 inches tall. Write the inequality and possible heights that you can be to go on the coaster.
H≥60 inches
Possible heights: 60 in,61 in, 62in, etc
7x=56
x=8
20-4x-7x-8=-10
x=2
-6x<72
x<-12
9+6x-4+2x<21
x<2
Ryan has $10. He spends $5 on food but has to buy cups. If each cup is 50 cents, how many cups can Ryan buy? Write and solve the equation.
5+0.50c=10
c=10
Ryan can buy 10 cups.