Question
A pen costs $t. A pencil costs half as much as a pen.
A marker cost $7 more than a pencil.
(a) What is the cost of the marker in terms of t?
(b) If the pen costs $10, what is the cost of the marker?
A marker cost $7 more than a pencil.
(a) What is the cost of the marker in terms of t?
(b) If the pen costs $10, what is the cost of the marker?
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