7 If 12 chocolate bars cost 180, what would be the cost of 30 chocolate for
est
bars?

The chapter is ratio and proportion and I am in 6 th grade pls help

If 12 chocolate bars cost Rs. 180, what would be the cost of 30 chocolate bars?

12 chocolate bars cost = Rs. 180

Cost of 30 chocolate bars = x

12:180 = 30:x

Means = Extremes

180 × 30 = 12 × x

( 3 × 4 = 12, 3 × 10 = 30)

( 4 × 45 = 180)

Therefore, 30 Chocolate Bars Costs Rs.450.

last one.

step-by-step explanation:

last one.

generally speaking, the others follow some sort of pattern that correlates to either linear (looks like a straight line) or sinusoidal (looks like an s).

the last one is just a random cloud of points that doesn't correlate to any particular known order.

range is infinite on both x and y axis positive and negative

step-by-step explanation: