Answer:
10 sundaes will be vanilla.
Step-by-step explanation:
Given:
Fernando is making 30 sundaes with mint, chocolate,and vanilla ice cream.
1/3 of the Sunday's are mint ice-cream.
And 1/2 of the remaining sundaes are chocolate.
The rest are vanilla.
Now, to find the number of sundaes that will be vanilla.
Fernando is making sundaes total = 30.
So, the quantity of sundaes that are mint ice-cream:
[tex]\frac{1}{3} \ of\ 30\\\\=\frac{1}{3} \times 30\\\\=10.[/tex]
Thus, 10 sundaes are mint ice-cream.
So, the remaining sundaes are:
[tex]30-10=20.[/tex]
Thus, the remaining sundaes are = 20.
Now, to get the quantity of chocolate sundaes of the remaining sundaes:
[tex]\frac{1}{2} \ of\ 20\\\\=\frac{1}{2} \times 20\\\\=10.[/tex]
Hence, 10 sundaes are chocolate of the remaining 20 sundaes.
As, given the rest are vanilla.
Now, to get the vanilla sundaes we subtract the 10 chocolate ice-cream from the 20 remaining sundaes:
[tex]20-10=10.[/tex]
Therefore, 10 sundaes will be vanilla.