Question

Savanna had 40 iris blooms last year. This year, she had 15%, percent more iris blooms. How many more iris blooms did Savanna have this year?

Answer 1

first year: 40
second year: 40*0.15 (-> 15%) = 6

answer: Savanna will have 6 more iris blooms in the second year.

Answer 2

Let

x-------> extra iris blooms Savanna's had this year

we know that

$15\%=\frac{15}{100}=0.15$

$x=0.15*40=6\ iris\ blooms$

therefore

the answer is

$6\ iris\ blooms$