10*8000= 80,000
An easy way to multiply by 10 is to shift the decimal place over by 1 place value and add a 0 right before it.
The spent 2,750 on the magazine adds.
2,750+2750=(2750x4)+(2750x2)=22,000
18 multiplied with t
Product represents multiplication
The coefficient is 18
and to solve, t/18 is also correct
The vertical line can be (3,0) because that is where the x axis is starting at
I'm not very sure but I think you do length times width times heigth then divide it by 2.