Answer:
Cup A
Step-by-step explanation:
<u>Cup A</u>
Salt: Water = 3:22
Expressed as a percentage
Proportion of Salt =13.6%
<u>Cup B</u>
Salt: Water = 1:8
Expressed as a percentage
Proportion of Salt =12.5%
<u>Cup C</u>
Proportion of Salt = 12.75%
Therefore, Cup A has the greatest proportion of salt.
Answer:
7
Step-by-step explanation:
let the no. be 'x'
By question,
2x-8=6
or, 2x =6+8
or,2x = 14
or,x = 7
therefore, the no. is 7.
Answer:
a) -3
b) 117
c) 100
Step-by-step explanation:
(a) 2(1)²-5(1)
1²= 1
2×1= 2
2-5= -3
(b) 2(9)²-5(9)
9²= 81
81×2= 162
162-45= 117
(c) 2(4)²-5(4) +2(8)²-5(4)
4²=16
16×2= 32
32-20= 12
8²=64
64×2= 128
128-40= 88
88+12= 100
hope it helps!
Answer: 
Step-by-step explanation:
Given
Principal amount is 
Rate of interest 
Time period 
We know, Simple interest is
Putting values
Sara gets after 5 years and 6 months
