Aprinter that sells for $190 is on sale for 20% off what is the sale price of the printer to work

Hey!

Solution:

20% = 0.2 (percentage as decimal)

190 x 0.2 = 38 (discount)

190 - 38 = 152 (sale price)

The sale price of the printer is $152.

Hope This Helped! Good Luck!

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: