Equivalent Ratios Instruction - Level Last spring, Macy bought 6 bags of soil. The soil fed her plants for 9 months. This
spring, she bought 2 more bags of soil. Macy wants to know how many months she
can feed her plants with 2 bags of soil.
Last Spring
This Spring
Complete the equation to show the
relationship between 6 bags and 2 bags
6 bags?
2 bags
Month
9
Bags

24 units

step-by-step explanation:

1/3

step-by-step explanation:

to find this, you can divide 12 by 4 which is 3 or you can multiply 4 until you reach 12 (4x3=12). both should give you 3, meaning theres three times less bananas than there are oranges.

, 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