Number 4: is 337.5. - first we need i\to find how much one case costs. $45/2 = $22.5 - next multiply $22.5 x 15 which gets you $337.50
Number 5: is 65% - 100% divided by 3,100 is .03225806 - then multiply .023225806 by 1085 which gets you 35% - but because it is asking for the remaining it is 100% - 35% which is 65%
The volume of a rectangular prism is equivalent to the equation Bh. But to find the base you must first do lw or in this equation 6.1 times 5.4. That equals to 32.94. You then use the height, or in this case 8 and multiply it times 32.94. Your final answer should be 263.52 cm. cubed.