
In this case, you have to multiply each term of one parenthesis by each term in the second bracket. After receiving a number of factors need to be segregated and placed in the correct order.
48 I think. If they each get 1/3 of the sweets (which is 16), then it's 16 x 3.
The grocer prepared total 110 samples.
<em><u>Explanation</u></em>
Suppose, the total number of samples the grocer prepared is 
By lunchtime, the grocer has given out 5 fewer than half the total number of samples. So, the number of samples given out by lunchtime 
Now, it is given that she gives out 50 samples before lunch. That means...

So, the total number of samples the grocer prepared is 110.
His total spending money is $90, so that is what the equations going to equal. Then he can spend $2.50 each time. So 2.50x = 90