If we go back to the defenition of logs, we can find this solution quickly.
What you're saying when you say ㏒₂(5x+7) = 5 is that
2⁵ = 5x+7
So
32 = 5x+7
25 = 5x
x = 5
Just add the x in the other equa. and then you will get y
Answer:
$285.12
Step-by-step explanation:
first, we'll solve for the 45% sale.
45/100
0.45 x 480
= 216
subtract from the original price
480 - 216
= 264
now we'll solve for the 8%
8/100
0.08 x 264
= 21.12
add the 45% and 8%
264 + 21.12 = 285.12
Answer:
B
Step-by-step explanation:
the six(6) muffins plus the $3 she saved
