Answer:
x = 45
Step-by-step explanation:
Corresponding sides of similar triangles will be in same ratio.

Cross multiply
x*28 = 20*(x+18) {Use distributive method}
28x = 20x + 360
28x - 20x = 360
8x = 360
x = 360/8
x = 45
Mean - 7
median - 8
range - 8
mode - 3
Answer:
the markup is 300%
Step-by-step explanation:
quadruple = 3?
2 expressions could be 3c and 2c + c
If you round it to the nearest hundredths the answer is .21
Answer:
9
Step-by-step explanation:
30 - 6(3.5)
30 - 21
9