1. The difference of two numbers is 29. Their sum is 115. Find the smaller number.
2. In school, there are 40 times as many students as teachers. If there are 1, 517 students and teachers in all, how many teachers are there?
3. If the measure of the side of a square is decreased by 8 cm, its perimeter is 108 cm. Find the original measure of its side.
2. A soap bar and a bottle of shampoo cost 21.50 and 65.25, respectively. Erika bought thrice as many soap bars as bottles of shampoo for the family. How many of each kind did she buy if she paid 519 in all?
2. In school, there are 40 times as many students as teachers. If there are 1, 517 students and teachers in all, how many teachers are there?
3. If the measure of the side of a square is decreased by 8 cm, its perimeter is 108 cm. Find the original measure of its side.
2. A soap bar and a bottle of shampoo cost 21.50 and 65.25, respectively. Erika bought thrice as many soap bars as bottles of shampoo for the family. How many of each kind did she buy if she paid 519 in all?
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Answer:
2. 37 teachers
3. 29 cm
4. 12 pcs. of soap bars and 4 pcs of bottles of shampoo
Step-by-step explanation:
2. I divided 1517 to 40 then the answer is 37 and remainder of 37.
3. I added the 8 cm to 108 cm and divided it to 4 because square have 4 sides
4. its complicated but ill try my best to explain, I tried to multiply 4 to the 65.25 then the answer is 261 and then I saw the clue words which are bought thrice as soap bars as bottles of shampoo so I multiplied 4 to 3 and its 12 then I multiplied again 12 and 21.50 and its 258 and add the answers which are 261 and 258= 519, and she paid 519 in all so my answer is correct
sorry abt the number 1 I cant get the numbers I've been trying many 2 digit numbers but I cant get it ill try again later to answer.
Hope it helps