Question

amalia makes trays by gluing tiles on pieces of wood. the picture shows one of her tile designs. amalia wants to know how many black and white tiles she needs to make different numbers of trays. enter the number of tiles needed to make 4 trays. white tiles black tiles 5 4 10 8 15 12 ?

Explanation:

Step1: Analyze White Tiles Pattern

For 1 tray, white tiles = 5; 2 trays, 10 (5×2); 3 trays, 15 (5×3). So for 4 trays, white tiles = 5×4 = 20.

Step2: Analyze Black Tiles Pattern

For 1 tray, black tiles = 4; 2 trays, 8 (4×2); 3 trays, 12 (4×3). So for 4 trays, black tiles = 4×4 = 16.

Answer:

Black tiles needed for 4 trays: 16, White tiles: 20 (if asked for black, 16; if combined, but here black is "?", so 16)