20 / 50 =<span>0.4</span>hope i helped
Answer:

Step-by-step explanation:
Each y is 3 times the last one, so it's geometric, so exponential. 3 should appear as the base.
<h2>
40 % of coins are pennies.</h2>
Step-by-step explanation:
Total number of coins = 600
Total number of pennies = 240

40 % of coins are pennies.
" / " this means divide, so if your dividing it is 8 because 8 times 3 is 24