subject
Mathematics, 21.12.2020 07:10 hastlingc

A textbook store sold a combined total of 392 physics and psychology textbooks in a week. The number of physics textbooks sold was three times the number of psychology textbooks sold. How many textbooks of each type were sold?

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 14:40, odboy345
Consider the table below. x y -1 -5 0 5 1 11 2 13 3 11 complete the standard form equation representing the quadratic relationship displayed above, where a, b, and c are constants.
Answers: 2
image
Mathematics, 21.06.2019 18:30, BluSeaa
Deshawn uses 3/4 of a box of rice to cook dinner the portion he uses weighs 12 ounces right and solve an equation to find the weight of the full box of rice
Answers: 1
image
Mathematics, 21.06.2019 20:30, ChefCurtis
Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π
Answers: 1
image
Mathematics, 21.06.2019 21:50, kaylaamberd
Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.
Answers: 2
You know the right answer?
A textbook store sold a combined total of 392 physics and psychology textbooks in a week. The number...

Questions in other subjects: