Ratios
Write the ratio 1 to 3 using a column and as a fraction
1:3, 1/3
Bobby catches 8 passes in 3 football games. At this rate, how many passes can he catch in 15 games?
40 passes
3.012 + 4.624
7.636
Write the equivalent expression:
2(x-y)
2x-2y
Combine like terms:
x+2+x+6
2x+8
An equivalent ratio to 3:5?
6:10, 9:15, 12:20, etc...
Five boxes of crackers cost $9. At this rate, how much do 20 boxes of crackers cost?
$36
6.700 - 4.457
2.243
Combine like terms:
3c+6-5+7c
10c+1
(3/4) ÷ (5/7)
21/20
A florist uses 90 branches of winterberry to make 75 wreaths. Based on this ratio, how many branches of winterberry does the florist use for 25 wreaths?
30 branches of winterberry
50% of 70
35
3.4 × 1.6
5.44
Solve for the unknown variable:
n+15=101
n=86
6.83 + 5.493
12.323
Josie is training for a race. The ratio of the number of minutes she runs to the number of miles she runs is 24 to 3. She plans to run 10 miles. How many minutes will it take her?
80 minutes
Shawn sells 36 vehicles in 4 weeks. Brett sells 56 vehicles in 7 weeks. Who sells more vehicles per week?
Shawn
1(1/3) ÷ (3/7)
28/9
Solve for the unknown variable:
(1/5)p=4
p=20
70% of what number is 56?
80
For a science experiment, Jack adds 1 tsp of salt to 2 tsp of water. Mika adds 3 tsp of salt to 8 tsp of water. Whose water is saltier?
Jack
75% of what number is 66?
88
11.34 ÷ 0.35
32.4
To rent a car, there is a flat fee of $50, plus $32 per day. Write an equation that models the total cost, c, for renting the car for d days.
c=32d+50
Solve for the unknown variable:
7.24+5.3=3m
m=4.18