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5 tins of soup have a total weight of 1750 grams. 4 tins of soup and 3 packets of soup have a total weight of 1490 grams. Work out the total weight of 3 tins of soup and 2 packets of soup.

Step 1 - Find the weight of 1 tin of soup: 1750 ÷ 5 = 350 Step 2 - Use this number (350) to find the weight of 1 packet of soup: (4x350) + 3P = 1490, 3P = 90, P=30Step 3 - Work out weight of 4 tins of sou...

Answered by Maddy C. • Maths tutor

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Solving quadratic equations using the factorisation method.

The Form of a quadratic equation where a ≠ 0ax²+ bx + c = 0In order to solve we need to create one term made up of factors.One or more of these factors must equal zero.Questions we will work...

Answered by Clem E. • Maths tutor

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Solve (x/4)-(2x/x+2)=1. Give your solutions to 2 decimal places.

Re-arrange to x^2-10x-8=0Using quadratic formula obtains two values, x=10.74 and x= -0.74

Answered by Will H. • Maths tutor

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What is 64^(2/3)?

When the index of a number is a fraction such as 2/3, first take the cubic root, then square the number. For example:
64^1/3= cube root of 64(64^1/3)² = 64^2/3

Answered by James T. • Maths tutor

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solve the simultaneous equations x^2 + y^2 = 5 and 3x+1=y

Substitute in y to the first equationx² + (3x+1)² = 510x² + 6x - 4 = 55x²+3x-2=0(5x-2)(x+1)x=2/5 or -1Sub these values of x into the first equationy=11/5 and -2...

Answered by Isabel D. • Maths tutor

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