4. The reciprocal means flip so a becomes 1/a
1/3 becomes 1 /(1/3) = 3
5. 6 divided by 1/2
copy dot flip
6 * 2/1 = 12
she has 12 pieces of string
she needs 15
15 -12 =3
She needs to cut 3 more pieces of string
Answer:
4=3/1
5=3 more pieces
Step-by-step explanation:
