Asked by indira
in a school each class has 7 charts to display on a notice board. Each chart must have 9 thumb tacks to support it.
a) How many tacks are needed if three classes have to display their charts on the notice board?
b) The three classes have a total of 171 tacks. How many charts could not be placed on the board?
a) How many tacks are needed if three classes have to display their charts on the notice board?
b) The three classes have a total of 171 tacks. How many charts could not be placed on the board?
Answers
Answered by
PsyDAG
a) 3 * 7 * 9 = 189
b) 189 - 171 = 18
18/9 = ?
b) 189 - 171 = 18
18/9 = ?
Answer
18 over 9
Answered by
Sum yeah 😍😁
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