40 x 100L which is wrong but i need points
x= 5 x z= 3 = 15 (4y - 2z) = 60 - -30 = 30 so its C
The answer should be $ 19.25. All you have to do is $7.70 * 2.5 which = $19.25
The first rectangle has a length of 20cm and a width of 2cm for the area to be 40cm. so, the dimensions must be multiplied by 4 to equal 160cm.
The stack of cards are 1 inch tall all together taking up 8 inch’s (cubed)or half of the space
