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Math·Problem-Solving and Data Analysis·Percentages
easyMineral composition
| Texture | Granitic | Andesitic | Basaltic |
|---|---|---|---|
| Coarse-grained | 32 | 22 | 42 |
| Fine-grained | 19 | 16 | 31 |
The table shows the distribution of the 162 igneous rocks in a certain earth science laboratory by mineral composition and texture. What fraction of the laboratory’s granitic rocks are coarse-grained?
A
5132
B
5119
C
16232
D
16251