PLEASE HELP! ITS DUE IN 2 HOURS, I WILL GIVE BRAINLIEST. PLEASE SHOW ON GRAPH

The amount cami raised during last year’s charity walk, $45.50, is 7/10 of the amount she raised this year. which equation represents n, the number of dollars she raised this year?

Michael split a rope that was 28 inches long into 5 equal parts. brenden split a rope that was 30 inches long into 6 equal parts. which boy's rope was cut into longer pieces?

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale