A restaurant charges $85 for dinner. You tip 20%, how much will be the total cost of dinner including the tip?

$102

Step-by-step explanation:

$85 x .2 = $17

$85 + $17 = $102

Step-by-step explanation:

100% = $85

1% = 100%/100 = 85/100 = $0.85

20% = 1%×20 = 0.85×20 = $17

so, the total cost of $85 + $17 = $102

which we could have gotten directly by multiplying

$85 by 1.2 (1.2 = 1 for the whole + 0.2 for 20%) = $102

but I wanted to show you the detailed, basic line of thinking behind the % calculations first.

whenever you have no other idea, get to 1% first and then take it from there.

look at photo

the answer to this would be 5x^3-6x^2-24 over 3x^2

hope this if needed hmu