7 stones for every 4 seashells. you have 40 seashells so that is multiplying the ratio by 10. So you will have 70 stones for every 40 seashells. 70 is your answer
In one week Megan makes 28 dollars In one week Rhoni makes 18 dollars Combined per week they make 46 dollars you do 316/46 Which equals <span>6.86956521739 Basically in 7 weeks they can buy the stereo </span>