Level 3
Erika spent 38 of her money on 6 notebooks and 10 post-it pads. The cost of one post-it pad was thrice the cost of one notebook. She bought some more post-it pads with 14 of her remaining money. How many post-it pads did Erika buy altogether?
Level 3
Becky filled a rectangular container which had a base area of 40 cm2 and a height of 25.2 cm with water. Then, she placed 8 identical metal cubes into this container. As a result, the height of the water in the rectangular container increased by 1.6 cm.
What was the length of each side of the metal cube?
After Becky removed the metal cubes from the container, she poured all the water from the container to fill bottles of 0.35 ℓ. What was the maximum number of bottles she could fill?
Level 3
A stall was selling flowers. 13 of the earnings are from the sale of 9 lavenders and 17 sunflowers. Of the rest of the earnings, 34 are from the sale of lavenders and 14 are from the sale of sunflowers. Each sunflower costs thrice as much as each lavender. How many flowers were sold?
Level 3
In the figure not drawn to scale, 4 identical rectangles were placed around square ABCD to form a larger square, EFGH. The area of one rectangle is 12 cm2, and the area of ABCD is 14 of EFGH. Find the length of one rectangle.
Level 3
In the figure not drawn to scale, 4 identical rectangles were placed around square ABCD to form a larger square, EFGH. The area of one rectangle is 12 cm2, and the area of ABCD is 14 of EFGH. Find the length of one rectangle.
Level 3
The number of silver crayons is twice the number of blue crayons. The number of blue crayons is 14 more than the number of gold crayons. The total number of crayons is 138. The cost of each silver crayon is $3.80 and the cost of each gold crayon is $1.50. The total cost of all the crayons is $374.20.
