Joseph is shopping for school supplies. The store is selling 4 notebooks for $5. Joseph needs to buy 5 notebooks. How much will it cost? Explain how you found your answer.

Can someone check my answer? you

What’s the answer ? use the picture to see the problem

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.