Answer:
1.25
Step-by-step explanation:
Each variable used is the first letter of each of their names.
t+b+c=87
c=2t
b=t+7
Substitute for b and c
t+ (t+7)+2t= 87
4t+7=87
4t=80
t=20
Plug in the known t value.
c=2(20)
c=40
b=20+7
b=27
Final answer: Tammy=$20, Boris= $27, Carlos=$40
Arrange them first
4,5,5,6,10,11,12,13
These are 8 numbers.we will divide the sum of middle 2 numbees on 2.
6+10=16÷2
8..median
We can solve this problem by rule of 3:
$30 (taxes)------------$100
x-----------------------$3,680
x=($30*$3,680) / $100=$1,104
Answer: $1,104 paid in taxes.
