Answer:
a) x=-15
b) x= 27
c) x=14
Step-by-step explanation:
a) x/-3+1=6 x/-3=5 (-3)x/-3=5(-3) x=-15
-1 -1
b) 3-x/9=0 -x/9=-3 (-9) -x/9=-3(-9) x=27
-3 -3
c) x/-2+4=-3 x/-2= -7 (-2)x/-2= -7(-2) x=14
-4 -4
Increase = 11.34 - 10.50 = $0.84
Percentage increase = 0.84/10.5 x 100 = 8%
6 divided by 4 is 1.5 each person will get 1 and a half sandwiches
Answer: 48.781%
Plug it into a percentage calculator