Hi there,
I don't undersatnd why B is right and how you can find answer with only the total value. Explain the concept
Martha bought several pencils. If each pencil was either a 23-cent pencil or 21-cent pencil, how many 23-cent pencil did Martha buy ?
(1) Martha bought a total of 6 pencils
(2) The total value of the pencils Marta bought was 130 cents
I don't undersatnd why B is right and how you can find answer with only the total value. Explain the concept
Martha bought several pencils. If each pencil was either a 23-cent pencil or 21-cent pencil, how many 23-cent pencil did Martha buy ?
(1) Martha bought a total of 6 pencils
(2) The total value of the pencils Marta bought was 130 cents
