If a box of 35 syringes costs $560.00. Which of the following is the cost of two syringes? $32.00 A couple dining at a restaurant receives a bill of $38.40. They wish to leave a 15% gratuity. Which of the following is the estimated gratuity? $6.00 A student performs the following estimations: o 24+190=210 o 151+319=490 o 974+1022=1990 Based on the estimations, which of the following is the students estimate of 452+5017? 5470 Solve the equation above for x. which of the following is correct