A 2017 survey shows that 3/5 Australian adults are overweight and 1/10 Australia are obese. What fraction of Australian adults are overweight or obese?

7/10

Step-by-step explanation:

3/5=6/10

so add 1/10 to 6/10

and you have your answer

they will manufacture 8496 cars

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.