If you are just simplifying it it would be 6x because it's 5x plus one more x but if you are trying to find x then I have no idea
All you have to do is divide the ounces he has into how much he gives the dog each day so 128/8 is 16
240,000 is a whole number. Now do the power of ten lol. Use a calculator. Remember don't do it all at once. The powers mean multiplying separate for example: 10×10 equals 100. I hundred times10 equals 1000. That is powered by three because it is multiplying 1030 different times which makes it the power. Simple math these days ha ha
The answer would be 50 and 37.
50-37 = 13
50+37 = 87