LearnSAT MathAdvanced Math

Exponential models

Each percent change becomes a multiplier.

SAT Math: Advanced Math

Work through it

$100 grows 5% a year.

A price drops 20% to $64. What was it?

, so .

Watch out for this

Adding 20% and then taking off 20% returns to the start.

The percents are of different wholes: .

Your turn

Want help with this?

Book a free consultation, and we'll help you make a plan.

Book a free consultation