2 step equations
2x+7=13
x=3
what is the inverse operation for subtraction
addition
what is the median of these numbers
13,24,24,19,32
24
You buy a laptop for $1,200 in a state with a 67% sales tax rate. What is the sales tax amount?
$72
9x-11=16
x=3
what is the inverse operation for division
multiplacation
what is the mode of these numbers
14, 13, 72,19,13
13
You buy two shirts at each $25 and a pair of jeans for $40 The tax rate is 8% What is the total cost?
$97.20
2x+8=30
x=11
what inverse operation would you use FIRST to solve this equation
3x+9=17
subtraction
what is the mean of these numbers
14, 23,84,12,14
29 or 29.4
A store buys a sweater for $40 and marks it up by 50% What is the selling price before tax?
$20
m+9/5=5
m=1
what inverse operation would you use FIRST to solve this equation
5+x/2=15
multiplication
what is the mode of these numbers
52,51,53,52,56
52
A store buys a lamp for $60 and marks it up by 35%. what is the markup amount?
$21
4.25-0.25x=3.75
x=2
what inverse operation would you use FIRST to solve this equation
5x/13+6=450
subtraction
what is the mean of these numbers
15,72,91,80,34,53
57.5 or 58
A retailer buys a high-end jacket for $290.50. The store marks it up by 35%. Later, the jacket is marked down by 30%. Finally, a sales tax of 6% is applied to the sale price. What is the final price of the jacket?
$291