So first you would plug 3 into the x values in the equation. (3)+1/2+15-1/2. EVALUATE AND THE ANSWER IS 18!!
27, 36, 45 are greater than 20 and multiples of 9.
Step-by-step-explanation
He did on D. 78 m
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37.5*0.010=.375 (or press % button on calculator)
80*.375=30