Answer:
10100=15700(1-0.075)^x
10100=15700(0.925)^x
divide both sides by 15700
0.925^x=101/157
convert decimal
(37/40)^x=101/157
take the log
x= log 37/40 (101/157)
x= 5.65824
She bought it at a 15% discount because 15 percent of 40 is 6 and 40-6=34
Answer:
$21
Step-by-step explanation:
Add what she spent to what she has left.
Answer:
74
Step-by-step explanation:
(80+96+81+89+64)÷5 = 84
Used the formula to get the average of a number. Hope this helps
Answer:
slant hight is 30 cm.
Step-by-step explanation:
ur welcome!!!!
