Y decreased by 23 is 52.9.... y - 23 = 52.9 <== ur equation y = 52.9 + 23 y = 75.9 ================ c - 12 = 6 <== ur equation c = 6 + 12 c = 18 ================ h - 234 = 1192 h = 1192 + 234 h = 1426 no, he is not correct because he did not add 234 and 1192 to find the value of h, which is 1426
