Two ribbon lengths are x metres and (x+50) centimetres. Together they measure 252 cm. What is x?
A101
B2
C2.02
D2.52
Answer & Solution
Correct answer: B. 2
Convert x metres to 100x centimetres before adding. Then 100x+x+50=252, so 101x=202 and x=2.
Keep practising Linear Equations in One Variable
Browse all Linear Equations in One Variable questions for ICSE Class 8, or explore more Mathematics topics.
Related questions
One quarter of a number exceeds one fifth of it by 3. What is the number?Two complementary angles measure (2x+10)° and (x+20)°. Find x.A 2 L mixture contains 0.4 L juice. Add x L water; volumes add. For juice to be 1/10 of thSolve the equation with decimal factors: 0.25(4f−3)=0.05(10f−9).Which real numbers satisfy 4(x+2)=4x+8?Over the real numbers, how many solutions does 3x+5=3x+2 have?A leaves P at 3 km/h. B follows 1 h later at 5 km/h. Same route, steady speeds, no stops. Two plans cost ₹100+₹20r and ₹40r for r rides. For how many rides are their costs equal?