[tex]4 \times 5 = 20 = total \: number \: of \: blue \: pens. \ [/tex]
[tex]5 \times 6 = 30 = total \: number \: of \: black \: pens[/tex]
highest common factor of 20 and 30=10
[tex]20 \div 10 + 30 \div 10 = 5[/tex]
there will be 5 pens in each box.
Answer:
Step-by-step explanation:
highest common factor of 20 and 30=10
there will be 5 pens in each box.