0.08x + 0.03y = 345, and to solve for each x and y, you can use the substitution method.
Answer: 3
Step-by-step explanation:
Answer:
12.79%
Step-by-step explanation:
Let :
Great grand mother = 86 years
Jenny = 11 years
Let the percentage = x
x % of great grandmother's age = Jenny's age
x% * 86 = 11
x/ 100 * 86 = 11
86x / 100 = 11
86x = 100 * 11
86x = 1100
x = 1100/86
x = 12.79
x = 12.79%
Answer:
$6.84
Step-by-step explanation:
18.25/1.2 = x/0.45