Question

So far, Keiko has burned 475.7 calories. She wants to burn a total of 900 calories. How many more calories must Keiko burn?

please add the steps like if you are supposed to add or subtract​

Answer 1

900 - 475.7 = 424.3 calories she has to burn

Answer 2

She needs to burn 424.3 more calories. Just subtracts the amount of calories she’s already burnt (475.7) from the amount she wants to burn!! :)