A company has to buy computers and printers. Each computer, x, costs $525 and each printer, y, costs $315. If the company spends $7,770 and buys a total of 20 machines, how many of each did it buy? Enter a system of equations to represent the situation, then solve the system.
The system of equations is ___ and ___ .
The company bought ___ computers and ___ printers.
pleas help I'm failing math and this quiz is due tomorrow

3/4 ÷ 3/4

step-by-step explanation:

basically divide any proper fraction with itself to fit the criteria.

so if we are using 3/4, then:

3/4 ÷ 3/4 = 1

so 1 is the quotient.

and the numerators for both these fractions is 3.   and if we divide the numerators:

3 ÷ 3 = 1

we see that quotient is equal to our original quotient as well.

30 people weigh 160 pounds or more

no because after the troops were pulled many blacks were killed by hangings lynchings and other cruel ways which in a way interrupted the reconstruction of the south and differed from the way abraham lincoln had an idea of reconstruction