question If 3 4a b 3 4 and 5 6b c 5 6 what is a b c

Math

If �:�=3:4a:b=3:4 and �:�=5:6b:c=5:6, what is �:�:�a:b:c?

A. 0.12783564815
B. 0.38350694444
C. 0.63916666667
D. 0.21258101852

Combine the ratios to get �:�:�a:b:c.

If �+5=12x+5=12, what is the value of �x?

A. 5
B. 6
C. 7
D. 8

What is the value of 24×3224×32?

A. 48
B. 72
C. 144
D. 324

What is the next term in the sequence: 2, 5, 10, 17, ...?

A. 25
B. 26
C. 27
D. 28

If a shirt costs $30 and is on sale for 20% off, what is the discounted price?

A. 24
B. 26
C. 28
D. 30

What is the measure of each interior angle in a regular pentagon?

A. 60∘60∘
B. 90∘90∘
C. 108∘108∘
D. 120∘120∘

What is 20% of $80?

A. 10
B. 16
C. 18
D. 24

What is the value of 24×3224×32?

A. 144
B. 192
C. 256
D. 324

If a circle has an area of 25�25π square units, what is its radius?

A. 5 units
B. 7 units
C. 10 units
D. 25 units

The ratio of boys to girls in a class is 3:2. If there are 15 girls, how many boys are there?

A. 9
B. 12
C. 15
D. 18

What is the average of 15, 20, and 25?

A. 18
B. 20
C. 22
D. 25