Mathematics, 30.05.2020 00:57 lexipooh7894

B. The SPF (sun protection factor) listed on sunscreen is an
indication of how long you will be protected from sunburn when
wearing the sunscreen. The amount of time you're protected is
proportional to the SPF. If wearing SPF 8 sunscreen will protect
you for 40 minutes, how long will SPF 30 sunscreen protect you?

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B. The SPF (sun protection factor) listed on sunscreen is an
indication of how long you will be...

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