Answer:
Step-by-step explanation:
If all were dimes, you'd have $3.00. You have $0.40 less. Each dime that is replaced by a nickel subtracts $0.05, so there are $0.40/$0.05 = 8 nickels. That leaves 30-8 = 22 dimes.
You have 22 dimes and 8 nickels in your wallet.
Answer:
never
Step-by-step explanation:
p->q means if p is true, then q must also be true
but since q is false, p->q is never true
You didn't put the questions
Get a math app, and get the answers from it. some will show you step by step
Answer:
9.90
Step-by-step explanation:
Original Amount
49.50
Present increase
80% or 0.80
Original x Percent decrease = amount of change
39.60
Original - Amount of change = total
9.90
