


7th Grade Worksheet15
In this 7th grade worksheet15, you can find 10 problems on math which are in the level of 7 th grade
Here is 7th grade worksheet15
2.One of the angles of a triangles is equal to the sum of the remaining tow angles. If the ratio of these angles is 4:5, find the angles of the given triangle.
3.Two equal sides of a triangle are each 4m less than three times the third side.Find the dimensions of a triangle,if its perimeter is 55 m.
4.If a + 1/a = 2,find the value of a^{3} + 1 /a^{3}
5.A gardener bought twice the number of Lilly plants that he had in his garden but had to throw 3 bad plants. When the new Lilly plants were planted, he had in all 48 plants in the garden.Find the number of Lilly plants he had originally.
6.Simplify a^{3}  b^{3} รท (ab)
7.If a + b + c = 9 and ab + bc + ca = 23, find the value of a^{2} + b^{2} + c^{2}
8.he difference between the compound interest and the simple interest on a certain principal for 2 years at 4% per annum is $150.Find the principal
9.The watch is marked at $1150. During off season a discount given and it is sold for $1100.Find the discount percent allowed.
10.What must be added to each of the numerator and the denominator of the fraction 7/11 to make it equal to 3/4
2. 40,50,90 3. 23,23,9 4. 2 5. 1 6. a^{2}+ab+b^{2} 7. 35 8. 93750 9. 13.04% 10. 5

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