Answer:
always do the numbers in the parentheses first. so do 8 x 10 = 80 and 20+2-15 = 7. Then add 3 to make 83. 5+ 7 = 12. the answer is 95
Explanation:
275
3(8×10)+5(20+2-15)
=3(80)+5(7)
=240+35
=275
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