Answer :
Answer:
We just figure out what 3/4 of 20 is and it is 15 so 15 pens!
Step-by-step explanation:
answer: 15
explanation: 1/4 of 20 = 5( 20 divided by four
1/4 x 3/1 =15/1
5x3 = 15
explanation: 1/4 of 20 = 5( 20 divided by four
1/4 x 3/1 =15/1
5x3 = 15