Agarden store is purchasing iris bulbs to sell for spring planting. each year the store sells two varieties of iris bulbs. purple and yellow. last year, the store sold 260 yellow iris bulbs. the store manager noted that the ratio of yellow to total iris bulbs sold was 2: 5. how many purple iris bulbs were sold

390

Step-by-step explanation:

Only two varieties are involved: yellow and purple.

We know the ratio of yellow iris bulbs over the total is 2:5, so 40%.

That leaves 60% of the sales for the purple bulbs.

purple = (60% / 40%) * 260 = 1.5 * 260 = 390.

So, they sold 1.5 times more purple bulbs than yellow ones.

In total, the store sold 650 bulbs last year, and we hope they sell more this year.

y = 5x + 17

step-by-step explanation:

a perpendicular line will be the opposite reciprocal slope of the given equation.   the slope given is -1/5 so the opposite reciprocal is 5

find b:

7 = 5 (-2) + b

7 = -10 + b

17 = b

write equation

y = 5x + 17

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for