Adriana is constructing a building.
She has a budget of £3900.
She spends 34% of her budget on bricks and 17% on cement.
She also spends £370 on timber.
The rest of her budget is spent on roof tiles.
What percentage of the budget is spent on roof tiles?
After a few weeks, Adriana realises she needs
more tiles and spends an extra £400 on top of
her budget.
How much in total did she spend on tiles?
What percentage of her total spend was spent on bricks?