Oliver needs to save at least $1500 to buy a computer. he has already saved $650. how much more does he need to save? write and solve an inequality. a) x + 650 ≥ 1500; x ≥ 850 b) x + 650 ≤ 1500; x ≤ 850 c) x + 1500 ≤ 650; x ≤ -850 d) x + 1500 ≥ 650; x ≥ -850 submit hint calc