Answer:
56.5
Explanation:
Given that,
p = 3
r = 4
Now we have to find the value of 8.3 p + 7.9 r.
For that,
you have to put 3 and 4 instead of p & r to the equation.
Let us solve now.
8.3 p + 7.9 r
8.3 × 3 + 7.9 × 4
24.9 + 31.6
56.5
Hope this helps you :-)
Let me know if you have any other questions :-)