medium · Gre Quant
DUAL-SCALE GRAPH — GreenGrid Utility: Weekly Energy Output. Bars show Solar Output in megawatt-hours (MWh, left axis); the line shows the percentage of TOTAL output that came from solar (right axis), for four weeks. Left axis (Solar MWh): gridlines 0; 500; 1,000; 1,500; 2,000. Right axis (Solar % of total): gridlines 0%; 20%; 40%; 60%; 80%. Exact values: Week 1 — Solar bar: 600 MWh; Solar-share line: 40% Week 2 — Solar bar: 900 MWh; Solar-share line: 60% Week 3 — Solar bar: 800 MWh; Solar-share line: 25% Week 4 — Solar bar: 1,200 MWh; Solar-share line: 50% Total output for a week equals solar output divided by the solar share. In which week was TOTAL energy output (from all sources) the greatest?
- Week 1
- Week 2
- Week 3
- Week 4
- Weeks 1 and 2 (tied for greatest)
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