Word problems
A movie ticket costs $8. Sarah buys x tickets and spends $40.
Equation:
8x=40
Answer:
x=5x
Sarah bought 5 tickets.
The ratio of boys to girls in a class is 3:5. If there are 15 boys, how many girls are there?
Answer:
g=25g
There are 25 girls.
Jamal has $12 and saves $4 each week. After w weeks, he has $36.
Equation:
12+4w=36
Answer:
4w=244w
6w=6
Jamal saved for 6 weeks.
The ratio of red marbles to blue marbles is 2:7. If there are 14 red marbles, how many blue marbles are there?
Answer:
b=49b
There are 49 blue marbles.
A book has 120 pages. Maria has already read 30 pages and reads p pages per day for 6 days. She finishes the book.
Equation:
30+6p=120
Answer:
6p=906p 15p=15
Maria read 15 pages per day.
A recipe uses flour and sugar in the ratio 4:1. If you use 12 cups of flour, how much sugar is needed.
Answer:
s=3s
You need 3 cups of sugar.
Apples cost $2 each. Ben spends $18 after paying a $4 delivery fee.
Equation:
2a+4=18
answer
2a=14
a=7a
Ben bought 7 apples.
The ratio of students on Team A to Team B is 5:3. If Team B has 18 students, how many students are on Team A?
Answer:
a=30a
Team A has 30 students.
A cyclist rides 10 miles per hour for h hours and travels 50 miles.
Equation:
10h=50
Answer:
h=5h
Ben bought 7 apples.
A paint mixture uses red and yellow paint in the ratio 3:2. If 10 cups of yellow paint are used, how many cups of red paint are needed?
Answer:
r=15r
You need 15 cups of red paint.