**Answer:**

q=157 and r=3

**Step-by-step explanation:**

Please look at the picture. If you can't see it, I'll write it out for you.

No it's a lot easier to use percent equation because it's easier to correct if wrong and you can get a better understanding of percent equation.

**Answer:**

A 36

**Step-by-step explanation:**

99-7×9

99-63

36

plz mark as brainliest

**Answer:**

**27**

**Step-by-step explanation:**

54 of 2

= 27

54 divided by 2

= 27