Answer:
Step-by-step explanation:
lololo
Answer:400
Step-by-step explanation:
Multiply the total number of students by the ratio given
5/7(560)
Answer:
cool dude
Step-by-step explanation:
Answer:

Step-by-step explanation:
5x-12=3x+20
plus 12 both sides
5x=3x+32
-3x both sides
2x=32
divide by 2 both sides
x=16
Answer:
One cm represented 5 m in the first scale, but now 1 cm represents 4 m in the second scale.
Step-by-step explanation: