Need help asap!! Callum is saving for a new mountain bike. He has $450 already and increases this
amount by 25% with the money he makes at a garage sale.

How much money does Callum have saved now?

If the bike he saving for cost $700 what percentage of the cost has you already saved? (round your answer to the nearest percent.)

Callum sees the same bike advertised for $623 at a different store if the original cost is $700 what is the percentage discount being offered here?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Bernice paid $162 in interest on a loan of $1800 borrowed at 6%. how long did it take her to pay the loan off?

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.