Answer:
6 years
Step-by-step explanation:
Here,



and we need to find
.
So using the formula
, we can find T by substituting the values


years
15x-10=20
+10 +10
15x=30
\15 /15
x=2
you add 10 to both -10 (they cancek eachother out) and 20 (equals 30)
Then you divide 30 by 15 (equals 2) and 15 by 15 (they cancel eachother out)
Then you get x=2
Answer:
15 quarters
Step-by-step explanation:
15 quarters = $3.75
21 dimes = $2.10
15 + 21 = 36 coins
3.75 + 2.10 = 5.85
The quotient of -3/8 and -1/3 is 1 1/8.