Charlie buys 150 small packets of mints so that Number of small packets: number of medium packets = 3:4
So how do you find like how much each one is for like 3:4
NEED HELP FAST

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?