En un magatzem venen cafè en paquets d'1/4 kg i descafeïnat en paquets d'1/3 kg. El preu per kg de les dues varietats és el mateix. Un bar ha comprat 19 paquets de normal i 14 de descafeïnat, en total ha pagat 72,13€. Quin
és el preu del Kg de cafè.

no, the equation would be invalid since they are both not equal.

step-by-step explanation:

here you got

4y-6+4y 2-9

first, you would simplify the equation on the form.

4y-6+4y 2-9

then, move all the terms that contains a y to the left and all the other terms to the right.

+4y-4y+-9-6

finally, you will simplify the left and the right side of the equation.

y=-3

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

triangle and cube

step-by-step explanation:

addition

step-by-step explanation: