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Ineed someone to me answer my question i have to have this done and knocked out

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.