Left to right because in order of operations PEMDAS, The multiplication and division it's which one is first (which is which one is on the left)
To work this out, you have to figure out how much Salid paid. This equals $61.25 as you have to multiply the cost and how much he wanted. Next, you have to subtract this from $100. This equals $38.75 (answer)
I hope this helped!! :))
642,000 is rounded it the nearest thousand
Let x = the smaller number
Let 2x + 7 = the larger number
x + 2x + 7 = 25
3x = 18
x = 6
2x + 7 = 2(6) + 7 = 19
