Question

En una tienda de conveniencia se venden 24 latas de refresco, con un costo de 240 pesos; si se venden 60 latas el costo es de 546 pesos.

Determina la ecuación que relaciona el costo con la cantidad de latas vendidas.
¿Cuál sería el costo si se venden 150 latas?

Answer 1

; (1.8 meters per minute)

Explanation:

Use dimensional analysis to solve this problem.

The proper units of conversion are given in parentheses on this question: 100 cm = 1 m.

Start with the given value, 3 centimeters/1 second.

Convert this rate to meters/minute by multiplying 3 cm/1 sec by 1 m/100 cm.

The top and bottom units should cancel out, so that's how you know to put the cm units on the bottom to cancel out with the 3 cm on the top.

Multiply the fractions together. The "cm" units cancel out.

Now you want to make the bottom units = minutes. There are 60 seconds in 1 minute, so you can use to multiply with .

The "seconds" unit cancels out, so you are left with meters on the top and minutes on the bottom. Multiply the fractions together.

We want the rate to be meters per minute (1), so completely simplify this fraction and divide the fraction by (100/100), so the denominator is 1 min.

Explanation: