Answer:
1.3
Step-by-step explanation:
20/100 x 6 5/10 =
1 3/10
Hopes this helps
Marco does 70 extra math problems each week. 14(5)=70
3:5=x:50
Therefore 5 ×x = 50
x = 10
Therefore 3 × 10 = 30
therefore 30 blue pens
proof = 30 blue + 50 red= 3+ 5
therefore 80 = 8x