**PLEASE HELP, I'LL GIVE BRAINLIEST!!!**

When Maura does 17 push-ups and 13 sit-ups, it takes a total of 56 seconds. In comparison, she needs 70 seconds to do 16 push-ups and 18 sit-ups. How long does it take Maura to do each kind of exercise?

It takes Maura ____ seconds to do a push-up and ____ seconds to do a sit-up.