Al + As + B = 124
Al + B = 102
subtracting equations ___ As = 22
Al + As = 86
subtracting equations ___ Al = 64
subtracting equations ___ B = 38
Allison, Ashley, and Becky weigh 124 kg altogether. Allison and Becky weigh 102 kg altogether. Allison and Ashley weigh 86 kg altogether. How much does each person weigh? please show your work.
1 answer