I quickly did this on paper and here is my answer I’m not 100% sure I’m correct but here it is
In 1 hour the boats will be 15 miles apart. In 3 hours the boats will be 45 miles apart.
Hope this helps :D
Y is equal to 21 and x is equal to 10
Answer:
Prisms have two congruent -- or identical -- bases, and pyramids only have one base. The shape of the base on pyramids and prisms can vary, depending on the shape of the overall three-dimensional object. For example, the base could have a square, rectangle, triangle, hexagon, pentagon or octagon shape.
Step-by-step explanation:
.45 * 120 = 54
.072 * 54 = 3.888
54 + 3.888 = 57.888= $57.89