You use lots and lots of math.
Answer:
comparing both equation we get,
2X+1=X+9
or, X=8
Y=X+9
or, Y=17
therefore the required solution is (8,17)
A) a=the initial value ($1650)
b=1-percent of decrease (0.81 or 81%)
B) About 3 years
Answer:
14
Step-by-step explanation:
You can put it as a fraction like so:
2/1 divided by 1/7
Use the strategy KCF (Keep, Change, Flip)
2/1 x 7/1
=2x7
=14
3 times 7= 21 times three =63
