An=Asub1(r)n-¹
=5(-2)7-¹
=5(64)
A7=320
Answer:
11, 15
Step-by-step explanation:
Answer:
.70(x)+1.15(25)=48
Step-by-step explanation:
Total ratio=9+11=20
number of girls=11/20*400
=220
Answer:
124
Step-by-step explanation:
take 146, add 90 then subtract that answer from 360