Question

liliana used 4 power crystals to open 14 portals. opening the portals uses up the power. she wants to know how many portals ($z$) she can open with 10 power crystals.
how many portals can liliana open with 10 power crystals?

Explanation:

Step1: Find portals per crystal

$\frac{14}{4} = 3.5$

Step2: Calculate portals for 10 crystals

$3.5 \times 10 = 35$

Answer:

35