a hat costs $20 after a 5% sales tax is included. What is $20=1.05x
the original price?
box plot A graph that displays the highest and lowest quarters of data as whiskers, the
middle two quarters of the data as a box, and the median. You can tell the
median and the range but not the average!
margin of error: 52 percent of the country approved of between 49 (52-3) and 55 (52+3) approve of the policy
the policy with a 3% margin of error
on percent questions use 100 if possible start with 100 multiply by 1.3 then multiply by 1.2 and finally multiply by .8
a student answered 86 problems correctly which was 86=.819x
81.9% of the test. How many total questions on the test?
if you are given the mean and are missing a number. Make the missing number x1 and use a ~ instead of an equal sign
example. The average of 5 numbers is 89. What is the
5th number if the first four numbers are 78, 92, 96, and
94.
on questions that have x as the exponent and it on this example question the answer is d.
represents the number of years. The initial number will
the amount the first year. Initial amount (9,000 and it decreases by 34% per year)
a is 540 percent greater than b. a = 6.4b
because it is 540% greater not 540% of
, All SAT Math Questions & Answers 2026/2027 | Complete Digital SAT Math Review
A tank contains 30 liters of 10% acetone solution. How look at picture for equation
many liters of 50% acetone solution must be added to
the tank to obtain a 20% acetone solution?
Percent Change
280 is 32% of what number?
What is the result of increasing 150 by 300%?
Joanne used a coupon to receive a 20% discount on the remember $29 is the price after the 20% discount (this is similar to a tax
purchase of a book. She paid $29.00 after the coupon question but instead of adding you subtract).
was applied. What was the price before the coupon
was applied. $29= .80x
Of multiply
is Equal sign
what number x
If some numbers are much bigger than the rest the
average is bigger than the median. If some numbers are
much smaller than the rest the median is bigger than
the mean.
, All SAT Math Questions & Answers 2026/2027 | Complete Digital SAT Math Review
Quick way to find the difference between mean and Plug into a table
median of a set of numbers
The positive number a is 2241% of the sum of the
positive numbers b and c, and b is 83% of c. What
percent of b is a?
A car's speed is increasing at a rate of 3.4 meters per https://www.tiktok.com/t/ZTkgfjXrM/
second squared. What is the rate, in feet per minute
squared, rounded to the nearest whole number?
The sale price of an item is $10 which is 30% greater The sale price $10 is 30% greater than the store's cost (x)
than the store's cost? What was the store's original 1.3x= $10
cost?
calculating standard deviation on desmos
TAN chart (averages)
Arc Length Formula L = 2πr (m⁰/360⁰) m=degree measure
tan opposite/adjacent