how do i get the answer?

 L. Section 7.2 The 7th Inning wants to group a collection of autographed photos by price ranges. Make a relative frequency distribution of the prices using the intervals $0–$9.99, $10–$19.99, $20–$29.99, $30–$39.99, and $40–$49.99. $2.50 $3.75 $1.25 $21.50 $43.00 $15.00 $26.00 $14.50 $12.75 $35.00 $37.50 $48.00 $7.50 $6.50 $7.50 $8.00 $12.50 $15.00 $9.50 $8.25 $14.00 $25.00 $18.50 $45.00 $32.50 $20.00 $10.00 $17.50 $6.75 $28.50 Using the frequency distribution of the prices, what percent of the collection is priced $40 or over?