Question

for a fundraiser, the children in the art club made greeting cards and kept track of how many they produced. making greeting cards greeting cards made how many children made at least 1 greeting card? children

Explanation:

Step1: Count the number of Xs for each non - zero value

For 1: 4 Xs. For 2: 6 Xs. For 3: 5 Xs. For 4: 1 X. For 5: 2 Xs.

Step2: Sum the counts

$4 + 6+5 + 1+2$.
$4+6 = 10$, $10 + 5=15$, $15+1 = 16$, $16+2=18$.

Answer:

18