Respuesta :
The answer is 12 < x < 15
x - the weight of Joseph's watermelon
Watermelons cost $0.35 per pound:
0.35x
Joseph’s watermelon costs between $4.20 and $5.25:
4.20 < 0.35x < 5.25
Divide all by 0.35:
4.20/0.35 < 0.35x/0.35 < 5.25/0.35
12 < x < 15
x - the weight of Joseph's watermelon
Watermelons cost $0.35 per pound:
0.35x
Joseph’s watermelon costs between $4.20 and $5.25:
4.20 < 0.35x < 5.25
Divide all by 0.35:
4.20/0.35 < 0.35x/0.35 < 5.25/0.35
12 < x < 15