Increasing by N% means the new value is 1+N/100 as much as the old value. So, we have
new = old*(1+1)(1+1.5) = 5.00 * old
so, old = new/5 or 20%
Answer:
x
=
6
,
3
Step-by-step explanation:
The equation can have 2 solutions.
HOPE THIS HELPS
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Answer:
Step-by-step explanation:
A
Answer:
Step-by-step explanation:
3xy +2m +9 -xy +3m -4
add and subtract like terms
=3xy-xy+2m+3m+9-4
=2xy+5m+5
Answer:
x=3 y=5/2
Step-by-step explanation:
1. 0.5x + y =4
2. 0.5x-y=-1
subtract the 2nd equation from the 1st
0.5x cancels out
2y = 5
y = 5/2
subs y = 5/2 into any one of the equations to find x
0.5x + 5/2 = 4
x = 3
subs to see if right:
(0.5 x 3) +5/2 = 4
(0.5 x 3) -5/2 = -1