Need help on number 4

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?