First, you would add 5+3+4.5. This equals 12.5. H represents her hourly pay rate. In order to find how much she earned, you would have to multiply 12.5(h).
Since (78-23) is in the bracket, you need to perform the operation of minus first. that get you with -56x(55)÷4 and then you just do it step by step -56x55 = -3080 -3080÷4 = -770
