The Martin family spent $518 on groceries in one week. What is the average amount the family spent on groceries per day?

$74

Step-by-step explanation:

Since there are 7 days in a week, we divide 518 by 7

In my journal I worked it out and the answer is 74 hope that helped!

$74

Step-by-step explanation:

518 divided by 7(days in a week)

chicken nugget stir fry

step-by-step explanation:

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: