Have you tried sketching this situation?
x is the length of the side of his original office. If he adds 15 ft, then the area, A, would be x times (x+15). 15x represents the floor area of the addition.
Answer:
60 boys
Step-by-step explanation:
boys : girls = 3 : 5
Total number of people = 160
Let y = common factor:
Therefore, 3y + 5y = 160
⇒ 8y = 160
⇒ y = 160 ÷ 8 = 20
Boys = 3y = 3 x 20 = 60
Girls = 5y = 5 x 20 = 100
So there are 60 boys and 100 girls
Answer:
your a nigeor
Step-by-step explanation: