12. 90/15 is 6. 6x2 is 12.
124.95 + 7% tax = 124.95 * 1.07 = $133.70
Plus $10 = $143.70 <--- answer to part 1
Part 2
143.70 / 15 = 9.58
it will take him 10 weeks to save enough to purchase it.
we need a picture so we can help you
Yes.
4 cups of flour/3 cups of milk= 1.33 flour/milk
2 cups of flour/ 1.5 cups of milk= 1.33 flour/milk
As you can see, these are the same ratios.