By what number should 1217\dfrac{12}{17}1712 be divided to get −47-\dfrac{4}{7}−74?
5 Likes
Let the number be xxx
1217÷x=−47⇒1217×1x=−47⇒x=1217×−74⇒x=−12×717×4⇒x=−8468⇒x=−2117⇒x=−1417\dfrac{12}{17} ÷ x = -\dfrac{4}{7}\\[1em] \Rightarrow \dfrac{12}{17} \times \dfrac{1}{x} = -\dfrac{4}{7} \\[1em] \Rightarrow x = \dfrac{12}{17} \times -\dfrac{7}{4}\\[1em] \Rightarrow x = -\dfrac{12 \times 7}{17 \times 4}\\[1em] \Rightarrow x = -\dfrac{84}{68}\\[1em] \Rightarrow x = -\dfrac{21}{17}\\[1em] \Rightarrow x = -1\dfrac{4}{17}1712÷x=−74⇒1712×x1=−74⇒x=1712×−47⇒x=−17×412×7⇒x=−6884⇒x=−1721⇒x=−1174
−1417-1\dfrac{4}{17}−1174 must be divided by 1217\dfrac{12}{17}1712 so that the product is −47-\dfrac{4}{7}−74.
Answered By
2 Likes
Subtract: 38\dfrac{3}{8}83 from −56-\dfrac{5}{6}−65
Multiply: −56-\dfrac{5}{6}−65 and 38\dfrac{3}{8}83
Divide: 38\dfrac{3}{8}83 by −56-\dfrac{5}{6}−65
By what number should 1217\dfrac{12}{17}1712 be multiplied to get −47-\dfrac{4}{7}−74?
