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21 votes
21 votes
anna needed 20 pieces of wites, each of length 0.3m. the wires were sold in rolls of 2m each. what was the least number of rolls of wire that anna needed to buy?

User DynamicallyCRM
by
2.7k points

1 Answer

20 votes
20 votes

1) find the total length of wire she needs


=20 ×
0.3


= 6\ meters

2) divide by how long each roll is


=(6\ meters)/(2\ meters/roll)

= 3 rolls

Anna needs to buy 3 rolls.

User Pablo Castro
by
2.7k points