There are two drawers with red and yellow beads in Pinar's wardrobe. The following about the numbers of these beads are known. Two-fifths of the beads in the first drawer and three-quarters of the beads in the second drawer are red. The number of yellow beads in the second drawer is 16 more than the number of red beads in the first drawer. The sum of the numbers of red beads in the two drawers is 71 more than the sum of the yellow beads. So how many red beads are in the second drawer? A) 105 B) 112 C) 118 D) 120 E) 126
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
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