Answer: 1371.57 calories
Explanation:
Plug 150 in for m.
Cube it to cancel out the cube root on the right side:
= 3375000
Find its 4th root to cancel out the exponent of 4 on the right side:
= 42.861
Now multiply by 32 to find r:
42.861 * 32 = 1371.57 calories