Answer:
400 girls.
480 boys.
Step-by-step explanation:
If the number of girls is x then the number of boys is 1.2x, so we have:
x + 1.2x = 880
2.2x = 880
x = 880/2.2
= 400.
Girls = 400, boys = 1.2*400 = 480.
Answer:
With speed of 18 feet per second the distance between the twins change.
Step-by-step explanation:
v1 is 10
v2 is -8
So, the difference is (10)-(-8)
which is 18.
Answer:
Options 1 and 2
Step-by-step explanation:
120 * 45 % = 120 *0,45 = 54 £
120 -54 = 66 £