7/10-1/2=
what is seven tenths minus one half

i think that you should ask google for the answer to that problem because if we don't know it google does

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.