Ioana a cumparat 3 pixuri si cinci crti pentru care a platit 26 de lei iar Alina a cumparat 5 pixuri si 6 carti pentru care a platit 34 lei .Cat a costat o carte?

soo this can be solve by using the formula:

f = p( 1 + i)^ n

where f is the future profit

p is the initial profit

i is the percent increase

n is the number of years

a . f = 30000 ( 1.05)^n

b. f = 30000 ( 1.05)^15

f = $62,368

a.for lorena 14 hours makes $126   for 16 hours she makes 144

for julie 6 hours makes $72 for 21 hours its $252

b. julie makes more money than lorena julie makes $12 an hour and lorena makes $9  

.

66% of the price that was mark on the bottom