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Diagnostic Test 7 Practice Test
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Q1
Betty is working on increasing the number of minutes that she can run consecutively. Each time she goes for a jog she runs 
minutes longer than the previous time. She starts at 
minutes per jog. If she runs 
times per week, how long can she run after 
weeks?
Betty is working on increasing the number of minutes that she can run consecutively. Each time she goes for a jog she runs
pairs of socks and 
belts at a total cost of 
. Danny places an order at the same store for 
pairs of socks and 
belts, at a total of 
. What is the cost for a single pair of socks and a single belt?