Final answer:
To express 7 as a fraction of 42, multiply both the numerator and the denominator of 7 by 4. The resulting fraction is 1/6.
Step-by-step explanation:
To express 7 as a fraction of 42, we can use the relationship given in the first statement: "7 is 1/4 of 28."
If 7 is 1/4 of 28, we can set up the equation:
1/4*28 = 7
Now, we want to express 7 as a fraction of 42. We can use the same ratio:
1/4*42 = 42/2
Simplifying the fraction:
42/4= 21/2
So, 7 is expressed as the fraction 21/2 of 42. This means that 21/2 is equivalent to 7 in the context of this relationship.