exam Maths Puzzle Numerical Ability

Two girls went to the store for rice and sugar. One girl bought 3 kilograms of sugar and 2 kilograms of rice for $3.25. The other girl bought 2 kilograms of rice for $2.50. Find the price per kilogram for both the sugar and rice.

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exam Other Question

after you find the axis of symmetry, do you plug it back into the original equation to get the y intercept? i don't understand the question a rectangle only has 4 sides.
a. draw a rectangle whose area can be represented by the expression 5*(12+6)
b. write another expression to represen