Last week, Ellen bought 4 apples for $2.40. This week she bought 9 apples for $5.40. If the cost per apple remains the same, how many apples could she buy next week? Select two that apply.
A.
1 apple for $1.20
B.
3 apples for $1.80
C.
6 apples for $3.40
D.
10 apples for $6.00
E.
13 apples for $8.20
F.
14 apples for $9.00