The exchange rate of u. s. dollars to british pounds (£) .63. you have $4000 to convert to british pounds. how many british pounds will you receive? a) £3937b) £6349c) 4063d) 2520 with an explanation bc my answer that i got isn't on here

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?