Answer:
Ellen invested $60 and Bob invested $140
Step-by-step explanation:
let the two amounts invested by 3x and 7x
(notice 3x : 7x = 3 : 7 )
then 3x + 7x = 200
10x = 200
x = 20
then 3x = 3(20) = 60
and 7x = 7(20) = 140
60+140=200
Answer: 3:35
Step-by-step explanation:
the correct answer is -448
(A) The value of x is 90 degrees. (B) The angle is a right angle.
There are 2 zeros in the product.
6*5=30
30*10=300
2 zeros
