6.2.2 Real World Linear Systems

Lucy is renting a bike while visiting a city. She pays $9 per hour to ride around the city. She also pays an additional charge of $3 for a helmet.

Which equation represents the total price, y, for renting the bike for x hours?

A second babysitter charges $7 per hour to babysit with an additional initial charge of $10. Which equation represents the total price, y, for this babysitter for x hours?

Alexa and Ronnie are both fundraising by selling magazines.

•Alexa has $6 in her bank account and makes $5 every magazine she sells.

•Ronnie has $10 in his bank account and makes $4 every magazine he sells.

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Which two equations represent how many magazines they will sell?

Select all that apply.