Answer:
10 boys, 15 girls
Step-by-step explanation:
Original ratio: 2 boys/3 girls
let x be the scale factor of the ratio
2x plus 5 boys over 3x girls = 1 (because the # of boys/girls are the same)-------> 2x+5/3x = 1
Simplify: 2x+5=3x
Simplify: 5=x
plug x back into the original ratio: 10/15
Check: 10/15 = 2/3
10 boys + 5 boys = 15, 15/15 = 1
Answer:
The exponent of y is 1
Step-by-step explanation:
Given

Required
Convert to fractional exponent
Here, we simply apply the following law of indices:

So, the expression becomes:



<em>From the above expression, the exponent of y is 1</em>
Answer:
They are 9 yards behind
Step-by-step explanation:
Lost 6 yards: -6
Lost another 3 yards: -3
Add them together:
-6 + -3 = -9
They are 9 yards behind