Answer:
100%-15%
75% of aluminum
There will be 12 grams of aluminum in each bar.
2. 3/4.
3. Equal.
4. Not Equal.
5. Equal
6. Equal
7. Margaret and Steve
8. 2/3 & 6/9
85.54+12.92 =98.46
100-98.46 =1.54
She gets $1.54 in change
Well first turn 1/7 and 1/5 into decimals which would be .142857 and .2 Add those to 7 and 5 to get 7.143 (I rounded this to the nearest thousandth) and 5.2 Divide those and you get 1.374
The North Wanted High Tariffs