Simplifying Ratio
Simplify the Ratio 10 : 8
5 : 4
The ratio of baby girls:baby boys in a hospital is 4 : 5.
There are 16 baby girls. How many baby boys are there?
20
If 6 sweets cost $13.50 how much will 3 sweets cost?
$6.75
On a blueprint of a house, 1/4 inch is equal to 1 meter. On the blueprint, a bedroom wall is 1 inch. How long is the actual wall?
4 meters
A : B = 1 : 2
A + B = 15
A = ?
A : B = 5 : 10
A + B = 15
A = 5
Simplify the ratio 30 : 6
5 : 1
If there were 15 cans of cola, how many diet cola were there?
20
If 12 tickets cost $30.00 how much will 13 tickets cost?
$32.50
It rains 2 inches in 2.5 hours. At this rate, how much will it rain in 3.5 hours?
2.8 inches.
Two numbers are in a ratio of 3 : 5
the smaller number is 18 less then the larger number.
Find the smaller number.
3:5
27 : 45
45 - 27 = 18
27 is the smaller number
Simplify the ratio 1.25 : 15
1 :12
The ratio of 'Hard' questions to 'Easy' questions in a test is 1:4.
If a test consists of 13 hard questions, how many easy questions are there?
52
If 12 treats cost $11.40 how much will 10 treats cost?
$9.50
Paula can jog 10.8 miles in 2 hours. At this rate, how far could she jog in 15 hours?
81 miles
A : B = 3 : 7
A + B = 40
B = ?
A : B = 3 : 7
A : B = 12 : 28
A + B = 40
B = 28
Simplify the ratio 91 : 13
7 : 1
The ratio of Anne's earnings to Joan's earnings is 2:5.
If Ann earned $25, how much must Joan have earned?
$62.50
If 5 stamps cost $1.25 how much will 3 stamps cost?
$0.75
Max bought 3 candy bars for $2.43. How much will his friend Malcom pay for 2 candy bars?
$1.62
A : B = x : x2
A + B = 12
A = ?
A = 3
3 + 32 = 12
Simplify the ratio 30x2 : 84x
5x : 14
At a school dance, the ratio of pupils to teachers is 20 : 1
If 360 pupils turn up at a dance, how many people in TOTAL should there be at the dance?
378
If 7 pens cost $6.93 how much will 4 pens cost?
$3.96
A copy machine can reduce the size of the material being copied. A diagram measuring 16 cm wide and 20 cm long is reduced. If the copy of the diagram is 15 cm long, how wide is it?
12 cm
the angles of a triangle are in the ratio of 3 : 5 : 7
What is the LARGEST of those angles?
3x + 5x + 7x = 180
15x = 180
x = 12
7x = 84