Longer question please help ASAP

a. 40÷2.89=m  b. 13

Step-by-step explanation:

i rounded 2.89 to the nearest whole which was 3then i knew in my head that this would be a divsion qustionsince divideing 2.89 with 40 would be hard i did 3 instaed plus 3 id also resonablethen i did 40÷3 witch is 13.3 then rounded 13.3 to the nearest whole witch was 13 13 is the answer

Let's check your answer. To do this, you would simply plug your answer into the equation and see if it works. 
5(y - 3) - 2 (3 - 2y) = 6
5(3 - 3) - 2(3 - 2 × 3) = 6

The equation works! 

Y = 3

Great work!