Ruth normally orders p pounds with f flour for her bakery every week. she has decided she needs to increase her order by 22% write an expression for how many pounds of flours she will now be ordering

    (fp*22/100) +fp

Step-by-step explanation:

she orders f*p ( no * weight) = fp

now she needs more = fp* 22/100

totalling = fp + fp*22/100

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: