y = 19
x = 4(19) + 21(19) = 76 + 399 = 475
3(475) × 7
1425 × 7
9975 <--- answer.
Hope this helped!
Nate
Answer:
the answer is 39
Step-by-step explanation:
50% chance because (10)/(20)=1/2=0.5=50%
hope this helps
