Please help! A math teacher has budgeted $400 for the purchase of new calculators for the school. The calculators cost $70 each. Write and solve an inequality for the problem.

Question

anonymous · Answer

Let x be the no. of calculators bought
money used<=budget
70x<=400
x<=5.71 (3 sig. fig.)
Since the no. of calculator must be an integer,
the no. of calculation bought is 5.

anonymous · Answer

Thanks. That's what I had thought but wasn't sure.

anonymous · Answer

Well done!