Work out the number of tonnes of recycled wood which the furniture industry used for the following ratios and total weights. (New wood : Recycled wood)
1. 78 tonnes total, 15:7
2. 27 tonnes total, 3:2
3.46 tonnes total, 23:16
4. 89 tonnes total, 13:6
5. 12 tonnes total, 19:12

there will be 35 boys in each team. : )

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note: the best i know.

41*67/2=1373.5

step-by-step explanation:

i just used a calculator