An airplane begins at an altitude of 2,000 feet and climbs 60 feet per second to an altitude of 10,000 feet. How many seconds, x, did the airplane climb?

160

step-by-step explanation:

idk

i hope i

7

step-by-step explanation:

the answer would be 7

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.