Answer:
20 hours hope this helps :)
Step-by-step explanation:
21:3
9:3
3:1
there all a 3:1 ratio
Step-by-step explanation:
step 1: given= 6*0=0
step 2: Use the distributive property
step 3: Substitute
step 4: -
step 5: Subtract 60 from both sides
step 5: simplify
