Answer:
Answer: The missing value is 4.5 or 9/2.
Answer:
one num = 6
another = 24
Step-by-step explanation:
One number = x
Another = 4x
Difference = 18
4x - x = 18
3x = 18 ; x = 18/3 = 6
A:amount of money invested in the account with 3% simple interest
B: amount of money invested in the account with 4.5% simple interest
a+b=25000 ——>a=25000-b
0.03a+0.045b=900
30a+45b=900000
2a+3b=60000
2(25000-b)+3b=60000
50000-2b+3b=60000
B=10000
A=25000-10000=15000