3 tens , 105 tens , 1050
Answer:
32 days.
Step-by-step explanation:
56 / 1.75 = 56 / (7/4) = 56 * 4 / 7 = 32.
(3)*2=6
-
(3)*(-2)=-6
6-(-6)=12
3*3=9
+2(-2)=-4
9+ -4= 5
200
2000 girls :1000 boys
2000 +1000 =3000
20% of 3000 = 600
I girl : 2 boys
1+2=3
600÷3 = 200
200 boys wore glasses