Alba worked 6 hours and 45 minutes at 10.90 per hour what numbers could she use to estimate how much money she earned

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

If it 8 inch candle burns at 7/10 inch per hour and a 6 inch candle burns at 1/5 inch per hour after how many hours would both candles be the same height

Skie rented a boat for $16.50 per hour. her total rental fee was $49.50. for how many hours did skie rent the boat