The ratio of Bulls to Bears shirts in a sporting goods store is 4 : 7. If there are 33 shirts altogether, how many Bulls shirts are there

the answer is

Step-by-step explanation:

let the ratio be 4x and 7x

4x +7x =33

11x = 33

x=33/11

x =3

now,

4x=4×3

=12

again,7x=7×3

=31

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,