2
The punch bowl at Felicia's party is getting low, so she adds 12 cups of punch to
the bowl. Two guests serve themselves 1.25 cups and 2 cups of punch. The punch
bowl now contains 11.5 cups of punch. How many cups were in the punch bowl
before Felicia refilled it? Let n = number of cups in bowl before Felicia refilled it.

There are 2.,75 cups of of punch in the bowl before Felicia refilled it

Explanation:

Given data,

Based on the given data,

Rewrite it as an equation,

Solution would be

Let X be the no of cups of punch in the bowl before Felicia refilled it

In the equation form,

X+ 12-1.25 -2 5=11.5

X+8.75=11.5

X=2.75

There were 2.75 cups of punch in the bowl before Felicia refilled it.

2.75 cups were in the punch bowl before felicia refilled it .

Explanation:

We need to find how many cups were in the punch bowl before felicia refilled it.

Let n = number of cups bowl before felicia refilled it.

Initially we have, n number of cups of punch and then 12 additional cups were added. So, the equation becomes:

→

Now , After this 1.25 and 2 cups were served by guests themselves and remaining cups were 11.5

→

→

Equating both we get :

Therefore, 2.75 cups were in the punch bowl before felicia refilled it.

a.   mass number from atomic number