Answer:
8.1
Step-by-step explanation:
I took this test yesterday! loll
but anyway.. what i did was :
I added - 1.2 + 0.4 to get that out of the way. (1.2 + 0.4 = 1.6)
then i subtracted 9.7 - 1.6 to find out what d is.
then i got 8.1 which is d.
Let's check our work:
1.2 + 8.1 + 0.4 = ?
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9.3 + 0.4 = 9.7
YW <3