Answer:
$687.50
Explanation:
The ratio of their insurance costs is ...
Meghan : Scott = 1.25 : 1 = 5 : 4
Then the ratio of Meghan's cost to the total is ...
Meghan : Total = 5 : (5+4) = 5 : 9
Meghan's cost is (5/9) × $1237.50 = $687.50.
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Check
Scott's cost is $1237.50 -687.50 = $550.00. The ratio of Meghan's cost to Scott's cost is $687.50/$550.00 = 1.25, as required.