Luke has a mask collection of 240 masks. He keeps some in a display case and the rest on the wall. He keeps 65% of his masks in the display case. How many masks does he keep on his wall?

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

answer:

125 yards

explanation:

75+50=125. that is my answer

e^-kt = n/n0 = 0.79  

-kt = ln 0.79  

t = - ln 0.79/0.0001  

= 2357 years

step-by-step explanation:

answer: idk wbu

step-by-step explanation: umm..