Answer: 7y-1
Step-by-step explanation:
Product of number y and 7 is 7y
One less is 7y-1
Answer:
Decreased
Step-by-step explanation:
-The rate of growth in food prices can be calculated using the compound interest formula as:

We use the calculated growth rate in food prices to find the potential future value of a 90's income:

#Compare this calculated value to the stated value:

Hence, the real value of income has decreased since it's less than it's future value over the 10-year period.
Answer:
45
Step-by-step explanation:
Answer:
$2 dollars and 50c
Step-by-step explanation:
124 + 4 equals 128 and 320 divided by 128 is 2.5, so 2 dollars and 50 cents.