A grocery store sells a bag of 5 oranges for $3.10. If Levi spent $2.48 on oranges, how many did he buy?

Four

Step-by-step explanation:

1. $3.10 divide by 5 = $0.62

2. $0.62 multiply by 4 = $2.48

So Levi bought 4 oranges

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation: