15+22(4+11)=x
4+11=15
22*15=330
15+330=345
x=345
Answer: he used 6 lemons for each pitcher so answer is =6
To solve this problem you must apply the proccedure shown below:
1. You have that Darren can get to work in

and <span>with the traffic and lights, he can average </span>

<span>.Therefore, you must apply the formula for calculate the distance, which is:
</span>

<span>
Where </span>

<span> is the speed and </span>

<span> is the time.
2. The time in hours is:
</span>

<span>
3. Substituying values, you have:
</span>

<span>
The answer is:</span>