Mathematics, 12.01.2021 22:20 Kin90ful

Andre's school orders some new supplies for the chemistry lab. The online store shows a pack of 10 test tubes costs $4 less than a set of nested beakers. In order to fully equip the lab, the school orders 12 sets of beakers and 8 packs of test tubes. 3) Since t is in terms of b from the first equation, this expression can be substituted into the second equation where t appears. Write an equation that shows this substitution.

4) Solve the equation for b.

5) How much did the school pay for a set of beakers? For a pack of test tubes?

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