B, it takes 6 hours after the low tide for a high tide to appear.
Each rectangle is (18cm)(10cm)=180 square cm.
180 square cm/45 square cm=4. she cuts four triangles from each rectangle
(4 patches/rectangle)(32 rectangles)=128 patches
Answer=128 patches
XD XD XD XD XD XD XD XD XD XD XD XD
It’s limited and unlimited resources