b = a+a = 2a
c = 2b = 2(2a) = 4a
d = 2c = 2(4a) = 8a
e = 2d = 2(8a) = 16a
(a+b+c+d)+a=50
(a + 2a + 4a + 8a) + a = 50
16a = 50
a = 50/16 = 25/4
e = 16a
e = 16(25/4)
e = 100
e + e + e = 100 + 100 + 100 = 300
Steve S.
asked 08/16/17
Get a free answer to a quick problem.
Most questions answered within 4 hours.
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
Steve S.
08/16/17