Highlighter pens cost $3.86 per set at an office supply store. Which equation can be used to determine the price, P, of n sets of these pens? (1 point) a n = 3.86P b P equals 3.86 over n c n equals 3.86 over P d P = 3.86n At an adventure park, a base ticket costs $85.50 per adult. Which equation can be used to calculate the base ticket price, A, for n adults? (1 point) a n = 85.50A b A = 85.50n c n equals 85.50 over A d A equals 85.50 over n