PLZ ANSWER TvT Maria's Grocery store buys grapefruit at a cost of 5 for $1. They sell at a price of 5 for $3. How many must they sell to make a $10 profit.?

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18

Item 1 solve for s. s+24=90 −114 −66 66 114